The Greek astronomers, through their observations of the moon over an extended period, reached several conclusions. Their observations laid the groundwork for later advancements in astronomy and provided crucial insights into the celestial mechanics governing the moon's motion.
Some of the significant conclusions they came to include:
1. Lunar Phases: The Greek astronomers noticed that the moon exhibited a cyclical pattern of phases, transitioning from new moon to crescent, half moon, gibbous, and full moon. These observations led them to understand the concept of lunar phases and the changing appearance of the moon as it orbits the Earth.
2. Lunar Orbit: By carefully observing the moon's path across the night sky, the Greek astronomers deduced that the moon orbits around the Earth. They recognized that the moon's movement follows a consistent trajectory, repeating its orbit in a regular and predictable manner.
3. Retrograde Motion: The Greek astronomers also noticed that the moon, like other celestial bodies, experienced retrograde motion. This phenomenon refers to temporary backward movement against the backdrop of the stars. By tracking these motions, they could refine their understanding of the moon's orbital mechanics.
4. Lunar Parallax: The Greeks made observations of the moon from different locations on Earth and recognized the phenomenon of lunar parallax. They observed that the moon appeared slightly different when observed from different positions on the Earth's surface. This helped them estimate the distance between the Earth and the moon more accurately.
These conclusions formed the foundation of the Greeks' understanding of the moon's behavior and its relationship with Earth.
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Los Angeles, located in a Mediterranean climate zone, is kept __________ during the summer because of the presence of __________. Group of answer choices wet; the warm California current off the coast wet; mountains along the western side of the city dry; mountains along the western side of the city dry; the cold California current off the coast
Los Angeles, which is in a region with a Mediterranean climate, experiences dry summers because to the presence of the chilly California current off the coast.
What is the Mediterranean climate?Mediterranean climate, a major Köppen climatic type with hot, dry summers and cool, wet winters, is found on the western sides of the continents between 30° and 45° latitude north and south of the equator.
Where is the region with a Mediterranean climate?On the western side of continents, between 31 and 40 degrees latitude north and south of the equator, are roughly where Mediterranean climate zones can be found.
What four traits best describe the Mediterranean climate?The summers there are exceedingly dry and hot. Winters there are chilly and humid. Near the Mediterranean Sea are more than half of the regions with this sort of climate. Unless a mountain or humid weather blocks it, they continue for thousands of kilometers.learn more about Mediterranean climate zone here
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Who developed the principle of uniformitarianism?
a. Hutton
b. William Smith
c. Darwin
d. Werner
e. Wegener.
Answer:
Hutton
explanation : Hutton developed the principle of uniformitarianism by observing geological changes in his farm.
How much starlight is received on earth?
Imagine a scenario in which several lakes have been colonized by marine-origin sticklebacks. In each lake, body armor disappears over time. Which change most likely caused this?.
The change most likely to favor this is Independent, unique mutations occurred in each population that rendered enhancers in the armor pathway useless, which were then favored by natural selection.
What is Natural Selection?Natural selection is the variation in individual survival and procreation brought on by phenotypic variances.The evolution of a population's heritable features across generations is a fundamental mechanism of evolution.By contrasting it with artificial selection, which in his opinion is intentional and natural selection is not, Charles Darwin popularized the phrase "natural selection."Every population of organisms contains variation. This happens in part because an organism's genome might experience random mutations, which its descendants may inherit. Individuals' genetics and environments interact throughout their lifetimes to produce different phenotypes.A genome's environment comprises the abiotic environment as well as the molecular biology of the cell, other cells, individuals, populations, and species.The population changes as a result of individuals with specific variants of the trait having a higher chance of surviving and procreating than those with other, less successful versions.Fecundity selection and sexual selection, which are now frequently included in natural selection, are other factors that affect reproductive success.Know more about Natural selection https://brainly.com/question/9830102
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Question:
I hope you are trying to ask the question below:
Imagine a scenario in which several lakes have been colonized by marine-origin sticklebacks. In each lake, body armor disappears over time. Which change most likely caused this?
a. Independent, unique mutations occurred in each population that rendered enhancers in the armor pathway useless, which were then favored by natural selection.
b. Each population had the exact same mutation in a protein coding gene that produces the armor, which increased in frequency by natural selection.
c. Novel trans-regulatory elements functioned to build new, armorless morphologies that increased in frequency because of gene flow from oceanic populations.
d. Lack of armor reduces fitness, so only genetic drift could cause the armorless condition to increase in frequency.
why temperature in cities are much higher than in villages?
Buildings and other structures can store more heat during the day than plants; at night, they emit some of that heat, contributing to warmer temperatures when it's dark out. Cities might also have less reflectiveness, which would let them soak up more of the Sun's heat.
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Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but they are now controlled if not prevented; cannons
Correct response is: (A)
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but they are now controlled if not prevented; cannons are fired at the slopes to make snow masses fall before they become dangerous.
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910?More than 200 people were killed by avalanches at Rogers Pass in Glacier National Park between 1885 and 1910, but today they are at least controlled, if not completely avoided. Cannons are fired at the slopes to cause snow masses to fall before they become deadly.
Over 200 people were killed by avalanches near Rogers Pass in Glacier National Park between 1885 and 1910, but today they are at least controlled, if not completely avoided. The Canadian Armed Forces (CAF) are supporting the Parks Canada avalanche-control program in Rogers Pass, British Columbia, through Operation PALACI. The Canadian Pacific Railway and the Trans-Canada Highway cross the Selkirk Mountains at Rogers Pass. The mission's objective is to prevent naturally occurring avalanches.Learn more avalanches near Rogers Pass Glacier National Park here:
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What are possible solutions that may be used in the future to address agricultural issues?
MULTIPLE CHOICE!!!
decrease biodiversity
increase organic farming
decrease the use of chemical agents
develop "cleaner" pesticides
increase fertilizer use
decrease pesticide use
The possible solutions that may be used in the future to address agricultural issues
increase organic farmingdecrease the use of chemical agentsdevelop "cleaner" pesticidesdecrease pesticide useThis is further explained below.What is organic farming?Generally, The term "organic farming" refers to a style of agriculture that makes use of biologically based pest treatments and biological fertilizers that are mostly produced from the waste products of plants and animals, in addition to nitrogen-fixing cover crops.
Development of a "cleaner" pesticides
The first step in the production of a pesticide is the production of a PAI, and the second step is the formulation of the actual pesticide. A PAI is produced by the chemical reaction of two or more raw components, often in the presence of catalysts, solvents, and either acidic or basic reagents.
In conclusion, Boost the use of organic agricultural methods.
Reduce the usage of chemical agents, and work to produce "greener" pesticides.
reduce pesticide use
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What are some reasons that the narr values might differ somewhat from actual climate records?
The values might differ somewhat from actual climate records because the weather of a region depends on many elements climate varies depending on its distance from the equator.
Networks of medical gadgets display weather and climate at all hours of the day and night time, everywhere in the international. weather facts are crucial inputs for authorities officers accountable for the management of public finances, assets, including electricity grids, government homes and roads, and services such as emergency response and assistance.
Scientists mark the begin of modern-day international report-keeping at kind years in the past. This is because in advance available weather data would not cowl enough of the planet to get an accurate studying, in line with NASA.
Paleoclimatology records are derived from herbal resources consisting of tree earrings, cave deposits, ice cores, fire history, coral boom bands, pollen, stalagmites, and ocean and lake sediments. these proxy climate information expand the weather and weather records archive by using loads to thousands and thousands of years.
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Fiscal policy is defined as changes in federal ________ and ________ to achieve macroeconomic objectives such as price stability, high rates of economic growth, and high employment. Group of answer choices
Fiscal policy is defined as changes in federal government spending and taxation to achieve macroeconomic objectives such as price stability, high rates of economic growth, and high employment.
This is further explained below.
What is taxation?Generally, In practically every nation on the planet, governments impose taxes as mandatory levies on people or things.
In conclusion, Modifications made to the spending and taxing policies of the federal government in order to accomplish macroeconomic goals such as price stability, high rates of economic growth, and high employment are examples of fiscal policy.
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In oceania, __________ is the spiritual power that may reside in persons, places, or things.
In oceania, mana is the spiritual power that may reside in persons, places, or things.
What is responsible for the belt of desert that covers North Africa, the Arabian Peninsula, Iraq, and Iran
Answer: A zone of dry air circles the planet at roughly 20°-30°N latitude.
Explanation:
In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find AB? C 10 42° A
Option D. If mLC = 90, mLA = 42, and CA = 10, the equation that can be used to find AB is [tex]cosine 42 = \frac{10}{AB}[/tex]
How to find ABWe have to find the the way to solve the right angled triangle we have here.
We have the angle at point A.
We have to make use of SOH CAH TOA rule
We would use
Cosine = adjacent / hypotenuse
adjacent = the value 10
The hypotenuse is = AB. This is the sign that is facing the angle.
We would then have the equation to be
Cosine 42° = 10/AB
[tex]cosine 42 = \frac{10}{AB}[/tex]
We can proceed to find AB
To get the value of AB
AB cosine 42 = 10
AB0.7431 = 10
AB = 10/0.7431
= 13.46
The value of AB = 13.46, But the questions only asked us to fing the equation. Hence option D is correct.
The complete question is in the attachment.
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______ data identifies the primary location where data is collected. Multiple choice question. Source Raw Map Single
Raw data identifies the primary location where data is collected. Hence, the answer is option B. Raw. Read below about Raw Data.
What are raw data?Raw data, also known as primary data, are data collected from a source. In the context of examinations, the raw data might be described as a raw score.
Therefore, the correct answer is as given above.
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Magmatic assimilation occurs when
O a rising magma body incorporates broken host rock into the melt.
O a rising magma body runs into another rising magma body underground.
a rising magma body runs into the atmosphere and creates a volcano.
O a rising magma body runs into hard rock that it cannot melt.
Magmatic assimilation occurs when a rising magma body incorporates broken host rock into the melt.
Assimilation is the process of incorporating solid or liquid foreign matter into magma. The term does not imply a specific mechanism, the process depends on many factors such as temperature, magma cooling rate, gas pressure and composition of the material being assimilated.
In most cases, the net result will be a shift from the original composition of the source magma to that of the contaminants. This process of wall rocks being incorporated into magma is called assimilation.
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The last major mountain building event to affect the Appalachian region was the ________________________.
The last major mountain building event to affect the Appalachian region was the Allegheny Orogeny (277): Late Paleozoic episodes of mountain building along the present trend of the Appalachian Mountains. Likely caused by the collision, occurring during the Late Carboniferous, of northwest Africa and the southern part of the Appalachian belt. This is further explained below.
What is Allegheny Orogeny?Generally, The Alleghenian orogeny was an event that took place nearly exclusively during the Permian Period (299 million to 251 million years ago) and was responsible for the formation of the Appalachian Mountains.
In conclusion, The Allegheny Orogeny (277), which refers to events of mountain construction during the Late Paleozoic that occurred along the current trend of the Appalachian Mountains, was the most recent significant mountain-building event that occurred in the Appalachian area. It is most likely that this event was triggered by the collision that took place during the Late Carboniferous between northwest Africa and the southern half of the Appalachian belt.
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What's the time right now in your country?
Answer:
19:23pm
Explanation:
And how about that side
Answer:
right now its 12:23 pm
Explanation:
The intertropical convergence zone may be found as far as ________ north of the equator in july.
The intertropical convergence zone may be found as far as 25° north of the equator in July.
What is real about the convergence zone between the tropics?
The Inter Tropical Convergence Zone, often known as the ITCZ, is a low-pressure area that rounds the Earth generally close to the equator and is the meeting point of the trade winds from the Northern and Southern Hemispheres. It is characterized by convective activity, which frequently results in intense thunderstorms over wide swaths of terrain.
How does the location of the intertropical convergence zone ITCZ change over time?
The position of the ITCZ varies seasonally because it tracks the sun. In the summertime of the Northern Hemisphere, it goes north, while in the wintertime, it moves south. As a result, the tropics' wet and dry seasons are caused by the ITCZ.
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Write about any major mining industry accident that may have occurred around the world and how could that be avoided
On April 26, 1942, the Benxihu (Honkeiko) coal mine in Liaoning Province, China, experienced what is regarded as the greatest mining disaster in history, killing over 1,500 people. This incident occurred during World War II.
What is the main cause of death in coal mining?
With 18 and 5 fatal injuries per occurrence, respectively, contact with objects and equipment and transportation incidents were the most common fatal events. In 2008, there were 4.4 nonfatal injuries and illnesses per 100 full-time workers in the coal mining business, which is 13% more than in the entire private sector.
What are hazards of working in a mine?
Accidents, dust (including poisoning by specific ores), high temperatures and humidity, noise and vibration, toxic gases, and various other hazards are among the dangers mentioned.
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Why have 20th century earthquakes in turkey suggested that some earthquakes beget subsequent earthquakes?
Earthquakes have occurred in a pattern from east to west, that is why Earthquakes have occurred in a pattern from east to west.
Turkey is a seismically active region located inside the complex zone of plate collision between the Eurasian Plate and both the African and Arabian Plates.
The Anatolian Plate, a small plate on which much of the country is situated, is bounded by the East Anatolian Fault and the North Anatolian Fault, two important strike-slip fault zones.
The Hellenic arc's southward migration has an effect on the Aegean Sea's extensional tectonic zone, which also affects the western part of the country.
Turkey's easternmost region is situated on the western end of the Zagros fold and thrust belt, which is dominated by thrust tectonics.
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Please answer fast Most governments are expected to provide public services such as __________. A. public entertainment B. travel by plane and train C. legal services D. public education Please select the best answer from the choices provided A B C D
Answer:
D. Public education
the most inferior division of planet earth in the core, which is liquit at the center because of pressure
Answer:
The outer core
Explanation:
It is made up of iron and nickel, it is in a liquid state despite the pressure because it has a lower melting point than the silicates of the mantle. The inner core, meanwhile, is solid due to the enormous pressure in the center of the planet.
Placemarks A through F indicate the locations of six different glacial formations. Which answer correctly identifies each of the formations
placemark A: horn peak
placemark B: arête
placemark C: col
placemark D: tarn
placemark E: cirque
placemark F: hanging valley
these correctly identified each of the formations.
As a glacier expands, it crushes, grinds, and washes rocks, bedrock, and other surfaces as the weight of snow and ice accumulate. The resulting erosional landforms include strips, curls, glacier crests, ridges, trim lines, U-shaped valleys, Roches motonnées, overdrafts, and hanging valleys.
Huge glacier lines can form beneath fast-moving ice flows. These topographies are important for telling the direction and dynamics of ice flow beneath former ice sheets.
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The collision of the newly created Laurasia (North America and Baltica) and Gondwana caused the Iapetus Ocean to close which lead to the _______________ orogeny.
The collision of the newly created Laurasia (North America and Baltica) and Gondwana caused the Iapetus Ocean to close which lead to the Taconic orogeny. This is further explained below.
What is Taconic orogeny.?Generally, The Taconic Orogeny: In the Late Ordovician, the volcanic arc clashed with eastern Laurentia (around 450 m.y. ago). Newfoundland to New York experienced deformation. The previously deposited sedimentary strata underwent metamorphosis and foliation in the center of the newly created mountain belt.
In conclusion, The closing of the Iapetus Ocean was a direct cause of the Taconic orogeny, which was triggered by the collision between the newly formed Laurasia (which included North America and Baltica) and Gondwana.
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Ephemeral streams ________. Group of answer choices are limited to rainshadow deserts are a major agent of erosion in areas of ground moraine flow all the time are a major agent of erosion in desert regions
Ephemeral streams are a major agent of erosion in desert regions.
This is further explained below.
What are Ephemeral streams?Generally, A fleeting river or stream In a normal year, an ephemeral stream is one that only has running water during periods of precipitation and for a brief period of time following those periods. The beds of ephemeral streams are always found to be situated above the water table.
In conclusion, Streams that evaporate quickly are the primary cause of soil decomposition in arid climates.
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Which are the possible sources for Earth's water? Select all that apply. Group of answer choices the combination of hydrogen and oxygen in Earth's early atmosphere comets the combination of hydrogen from the Sun and oxygen from cyanobacteria volcanic outgassing meteors
The possible source of Earth's water is from the combination of hydrogen and oxygen in Earth's early atmosphere.
What are Water Resources?In the context of a state, "water resources" refers to all surface waters, subsurface aquifers, lakes, reservoirs, or impoundments, whether natural or man-made, that are currently available to or may be made available to users in the agricultural, industrial, commercial, recreational, public, and domestic sectors. The term "Water" or "Waters" refers to any and all water on or beneath the surface of the ground, whether percolating, standing, diffused, or flowing, wholly or partially within this State, or bordering this State and within its jurisdiction, and without limiting the generality of the foregoing, includes natural or artificial lakes, rivers, streams, creeks, branches, forks, brooks, ponds (aside from farm ponds, industrial settling basins and pond.There isn't much free oxygen in the solar system, which is important because the Earth needs oxygen to combine with hydrogen. Oxygen is abundant but not in its elemental or gaseous state since it bonds readily with many other elements. Since oxygen did not exist on Earth until around 2 billion years ago and the planet also has a tendency to lose gaseous hydrogen, it seems doubtful that much water was produced in that way.
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what are the main agriculture centres in pakistan for cotton?
Answer:
Punjab
Explanation:
being the most conducive for cotton production, produces around 70% of country's cotton followed by
The material immediately surrounding an artifact, usually some sediment such as gravel, sand, or clay, is known as the
The material immediately surrounding an artifact, usually some sediment such as gravel, sand, or clay, is known as the Matrix.
What is an Artifact?An artifact is something that was created by a human. Art, tools, and clothes made by people from any period or location are considered artifacts. The phrase can also be used to describe an object's remnants, such as a piece of broken pottery or glass. Scholars who seek to study a culture can learn a lot from artifacts. In order to understand the past, archaeologists explore the locations where ancient cultures once existed. Artifacts may serve as the only hints regarding how people lived in the past because many ancient cultures lacked written languages or consciously refrained from writing down their histories.The matrix is composed of the artifact's surrounding sediments, ecofacts, and characteristics. The rock, sand, gravel, or soils around the object or feature may contain crucial information.
Therefore, The material immediately surrounding an artifact, usually some sediment such as gravel, sand, or clay, is known as the Matrix.
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8. In most of the continental US, what fraction of annual precipitation actually moves directly into streams and rivers as surface runoff (without infiltrating into the ground or returning to the atmosphere via evapotranspiration)?
In most of the continental US, only a third of runoff transfers the continental surplus to balance the deficit of the ocean's fraction of annual precipitation.
Water Cycle and Surface RunoffThe physical geology and topography of the ground as well as meteorological conditions all have an impact on surface runoff. Only approximately a third of precipitation that falls on land drains into rivers and streams before being dumped back into the ocean. The remaining two-thirds either evaporate, transpire, or soak into the earth (infiltrate). Humans have the ability to redirect surface runoff for their own purposes.More and more of the natural environment is being replaced by impermeable surfaces, such as roads, homes, parking lots, and buildings, which decrease groundwater infiltration and hasten runoff to ditches and streams as more people inhabit the planet and as development and urbanization increase.To learn more about Surface Runoff refer to:
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What type of warm-up intentionally mimics the movements that will be a part of the workout to follow it? General warm-up Specific warm-up Dynamic warm-up Static warm-up
What typically happens to the size, shape, and sorting of clasts as they are transported from steep mountains toward more gentle settings?
The clast become more rounded as they are transported from steep mountains toward more gentle settings.
The clasts make up 20-30% of rocks. Tumbles, bumps, and wear during transportation may reduce the size of the clast, increase its roundness, and cause the clast to be sorted by size. As sediments are transported and deposited, they leave evidence of modes of transport and deposition.
For example, when a vehicle slides down a slope, the resulting sediments are generally chaotic and have varying grain sizes. Grain size and the interrelationship between particles gives the resulting sediment texture. Clasts are classified by density based on the energy of the transport medium. High-energy currents can transport larger fragments. As the energy decreases, heavier particles are deposited and lighter debris is transported further.
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