star x is 30 pc away. an identical star, star y, is 90 pc away. by what factor is its flux diminished?

Metamorphic rocks are a type of rock that is created when another type of rock (a parent rock) is subjected to high temperature, pressure, and/or chemical changes.

The chemical composition of most metamorphic rocks is going to be different from that of the parent rock. These happens to the chemical composition of metamorphic rocks: As a result of the intense heat and pressure that metamorphic rocks are subjected to, they undergo a chemical transformation that changes their chemical composition.

This is why metamorphic rocks typically have different chemical compositions than the parent rock. The transformation of the parent rock into a metamorphic rock involves a process called recrystallization. During this process, the mineral grains in the parent rock are rearranged, and new mineral grains can form. The new mineral grains that form in the metamorphic rock will have different chemical compositions than the minerals in the parent rock.

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Answer:

Common ideology and religion.

Explanation:

The main reasons for this group of people have for migrating to Pakistan is the presence of common ideology and same religion of people. Millions of people migrated to Pakistan when the Pakistan was formed because of the worse behaviour of Hindus in India with these people due to their Muslim identity. The presence of Muslims, common ideology and worst attitude of Hindus attracts these people to migrate to Pakistan in order to live a peaceful life.

Answer:

They provided water for cooking, cleaning, drinking, and transportation. Also, the rivers helped make the land fertile and provided fish. Plus, traders traveled along the rivers.

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Answer: The Short Answer:

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

Answer:

Well it looks like it will be sunny and get drop from 81 to 72 over night and, It will rise again to 81 degrees tomorrow.

Explanation:

The South African Drakensberg Mountains are renowned for their complex geology, which contains a wide range of rocks.

In comparison to other rock types, sedimentary rocks like sandstone, shale, and limestone are often less prevalent in the Drakensberg.

Rocks that already exist undergo alteration under intense heat and pressure to become metamorphic rocks. Metamorphic rocks like quartzite, schist, and gneiss can be found in the Drakensberg.

As lava or magma cools, it solidifies to produce igneous rocks. Granite is the most prevalent igneous rock in the Drakensberg.

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If the Earth's ozone layer was not present, harmful ultraviolet radiation from the Sun would penetrate the lower atmosphere and reach the Earth's surface.

This would lead to an increase in skin cancers, cataracts, and other harmful health effects for humans and animals. Additionally, the increased UV radiation would damage crops and other vegetation, leading to lower agricultural yields and potential food shortages.

The loss of the ozone layer would also have a significant impact on the Earth's climate, as it plays a key role in regulating atmospheric temperatures. Overall, the absence of the ozone layer would have catastrophic consequences for both human and ecological health.

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Answer:

true you can check an your paprr

The different techniques used in fossil dating are radioisotopic dating, relative dating, and chronometric dating. Here are their advantages and disadvantages

Radioisotopic dating The radioisotopic dating technique is used to date rocks that are millions of years old.

The advantages of using this technique are as follows: It gives a more accurate estimate of age. The dating method can be used to date rocks that are billions of years old. It helps determine the absolute age of a rock or fossil. The disadvantages of using this technique are as follows: The method is costly and time-consuming. It requires equipment that is expensive and not readily available. It is difficult to date rocks that have undergone metamorphism. Relative dating Relative dating, also known as stratigraphy, involves comparing the ages of rock layers or strata. The advantages of using this technique are as follows: It is a straightforward method of determining the relative ages of rocks or fossils. The method is easy to use and does not require any special equipment or technology.

The disadvantages of using this technique are as follows:

The method is not very accurate and can only give a rough estimate of age. It does not provide information about the absolute age of rocks or fossils. The technique can be affected by weathering and erosion, which can alter the layers of rock. Chronometric dating Chronometric dating is used to determine the absolute age of rocks or fossils. The advantages of using this technique are as follows: It is an accurate method of determining the absolute age of rocks or fossils. The method is not affected by weathering or erosion. The technique can be used to date rocks or fossils that are thousands or millions of years old. The disadvantages of using this technique are as follows: The method is expensive and time-consuming. It requires equipment that is not readily available. The method can be affected by contamination or other factors that can alter the age of the sample.

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Explanation:

Hi !!!

Difference between hazard and disaster are:

Hope it helps...

Answer:

Hazard- can be dangerous that can lead to harm and lead to a disaster

Disaster- something dangerous that already happened causing harm

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The two species of herring are found in the Chowan River are Atlantic herring and American shad.

The Atlantic herring (Clupea harengus) and American shad (Alosa sapidissima) are two of the many herring species that can be found in North Carolina waterways.

Both of these species are anadromous, which means they reside in the ocean for the majority of their lives before moving into freshwater rivers to spawn.

American shad, which once supported a sizable commercial fishery in the region, have a substantial spawning habitat in the Chowan River.

Herring may have been taken accidentally while shad fishing or intentionally in the past, as they are a significant feeder fish for many other species.

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The four images of various river channels exhibit unique characteristics and are shaped by dominant forces or processes specific to each scene.

The four images of different river channels showcase distinct characteristics and provide insights into the dominant forces or processes shaping their formations.

Each scene offers a glimpse into the intricate dynamics at play in river systems.

Examining the unique features of each river channel allows us to understand the forces responsible for their formation.

Factors such as the gradient of the channel, the type of sediment transported, and the presence of obstacles or geological structures all contribute to shaping the river channel.

For instance, meandering river channels with sinuous bends suggest the influence of lateral erosion and deposition processes, while straight and narrow channels may indicate a steeper gradient or the presence of resistant bedrock.

The dominant forces or processes at work in each scene can vary widely.

Examples include the erosive power of flowing water, sediment transport and deposition, bank erosion, meander formation, or the impact of human activities on river morphology.

By studying these images and analyzing their unique characteristics, researchers and geologists gain valuable insights into the intricate interplay between forces and processes that shape river channels.

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Several lines of evidence suggest that the Meteor Crater was formed by an impact event. These include a large circular depression at the site, the presence of shock quartz in the surrounding area, and The area includes the discovery of meteorite fragments. Option D is correct.

Meteor Crater, located in Arizona, USA, is a large circular depression on the surface of the Earth that has long been believed to be the result of an impact event. There are several lines of evidence that support this hypothesis, including the presence of a large circular depression, the occurrence of shocked quartz, and the discovery of meteorite fragments in the area.

The most significant evidence is the large circular depression, which has a diameter of approximately 1.2 kilometers and is over 170 meters deep. The size and shape of the crater are consistent with what would be expected from a large impact event. In addition, the layers of rock and sediment around the crater show signs of being disturbed and shifted by a powerful force, also supporting the impact hypothesis.

The presence of shocked quartz, which is formed when rocks are subjected to high pressures and temperatures, is another strong piece of evidence. The occurrence of this mineral in the area suggests that an extremely powerful event occurred at the site, such as a meteor impact.

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Complete question:

Several lines of evidence suggest that Meteor Crater was formed by an impact event. These include ______.

A) A large circular depression at the site.

B) The presence of shocked quartz in the surrounding area.

C) The discovery of meteorite fragments in the area.

D) All of the above.

The given statement “ the tropic of capricorn virtually divides Australia north and south” true because the Tropic of Capricorn passes through the central part of the country’.

The Tropic of Capricorn is a line of latitude located at approximately 23.5 degrees south of the equator.

It is called the Tropic of Capricorn because the sun is directly overhead at noon on the December solstice when viewed from this line.

In terms of Australia, the Tropic of Capricorn passes through the central part of the country, effectively dividing it into the northern and southern regions.

The significance of the Tropic of Capricorn lies in its relation to Earth's axial tilt and the changing positions of the Sun throughout the year.

It plays a role in determining the timing and intensity of seasons in different parts of the world.

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The way that plate boundaries in Iceland and Chile similar is that both are  have volcanoes  and Earthquakes. The way that they are different is that Iceland  is  one that lies in the Mid-Atlantic Ridge while that of Chile is in the convergent plate boundary.

Iceland is situated on the Mid Atlantic Ridge, a divergent plate boundary where the Eurasian Plate and North American Plate are moving apart. Magma or molten rock rises to the surface and erupts as lava to form new ocean crust as the plates separate.

Two tectonic plates can diverge from one another, creating a border. As magma rises from the Earth's mantle to the surface and solidifies to form new oceanic crust, earthquakes frequently occur along these boundaries.

Chile is located on top of the South American tectonic plate, along with the other nations of the continent. The Nazca Plate joins the Pacific Plate at a divergent plate boundary known as the East Pacific Rise to the west of Chile. This region is beneath the Pacific Ocean.

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Answer:

what

Explanation:

is the questionn

Answer:

A) Voyager 1 has reached a distance of 23.381 billion km (14.528 billion mi; 156.29 AU) from Earth and 23.483 billion km (14.592 billion mi; 156.97 AU) from the Sun.

B)On February 17, 1998, Voyager 1 reached a distance of 69 AU (6.4 billion mi; 10.3 billion km) from the Sun and overtook Pioneer 10 as the most distant spacecraft from Earth

C) Voyager 1 has reached a distance of 23.381 billion km (14.528 billion mi; 156.29 AU) from Earth and 23.483 billion km (14.592 billion mi; 156.97 AU) from the Sun.

Explanation:

Answer:

The shoguns of medieval Japan were military dictators who ruled the country via a feudal system where a vassal's military service and loyalty was given in return for a lord's patronage.

Answer:

differentiation

Explanation:

isolation usually results in differentiation of one language into dialect following eventually by 2 distinct languages

Melanin, a dark pigment that is suspended in thick mucus along with trace amounts of other substances like amino acids, is the primary component of ink. Squid ink is blue-black, octopus ink is black, cuttlefish ink is brown, and It comes from the ink sac and leaves the siphon.

In order to swim and steer, octopuses draw water into their mantle cavities and then squeeze it out through a siphon (also known as a funnel) at the front of their mantles.

Cephalopod ink is made up of two glands' secretions. The majority of what is known about cephalopod ink comes from researching the black ink that is produced by the ink sac and its ink gland. A mucus-producing gland called the funnel organ is a second organ that has received much less research.

The ink sac, a diverticulum of the hind stomach, is made up of various components. The ink gland, which is located at the base of the ink sac and creates the melanin-rich ink, is described in. The ink gland secretes into the ink sac, where it is stored before being subsequently discharged into the hindgut close to the anus via a duct. The ink sac's ink release mechanism is controlled by its muscular walls and a pair of sphincters.

Therefore, Squid ink is blue-black, octopus ink is black, cuttlefish ink is brown, and It comes from the ink sac and leaves the siphon.

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Convergent (Colliding): This occurs when plates move towards each other and collide. When a continental plate meets an oceanic plate, the thinner, denser, and more flexible oceanic plate sinks beneath the thicker, more rigid continental plate. This is called subduction.

The plates in convergent boundaries come together and collide with each other and dense and thick plates sink under the less dense plate.

Convergent boundaries are where two lithospheric plates(plates over the land) move together or collide and the more dense plate sinks under the less dense plate.

A convergent plate boundary is a place where two tectonic plates are moving toward each other by some action, causing one plate to slide beneath the other. This process is also called subduction. The collision of these plates can result in earthquakes, volcanoes, the formation of mountains, and other geological events.

Earth's surface is formed up of two types of lithospheric plates i.e one is continental and the other is oceanic. The crust that makes up continental plates is thicker yet less dense than the oceanic crust because of the lighter rocks and minerals that compose it. Oceanic plates are made up of heavier basalt, the result of magma flows from mid-ocean ridges.

When plates converge, they result in three types of movements and they are oceanic plates collide with each other forming oceanic-oceanic boundaries, oceanic plates collide with continental plates forming oceanic-continental boundaries, or continental plates collide with each other forming continental-continental boundaries.

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Answer:

Subtropical desert

Explanation:

Subtropical desert receive rainfall equal to 12 inches a year

Semi arid desert receive rainfall up to 250 mm or 9.8 inches in a year

Polar desert receive rainfall less than the semi arid desert

Coastal desert receive rainfall up to 10 inches

Among all the desert forms the highest rainfall is received by the Subtropical desert

Answer:

The Correct answer is Semiarid Deserts

Explanation:

I took the quiz and got it wrong the first time but got semiarid afterwards

wheel and axle, rope, inclined plane, screw, wedge, and lever, as well as the inclined plane, are the six simple machines that are most applicable to daily life.

The following are examples of simple machines:

1. Examples of the lever include a crowbar, a claw hammer, two pilers, etc.

2. Examples of the inclined plane include ramps, staircases, uphill roads, etc.

3. Examples of the wedge include a knife, axe, plough, nall, etc.

4. Examples of screws are A screw.

5. The driving ring of a car, a bicycle pedal, etc. are illustrations of a wheel and an axle..

6. Examples of the pulley include those used to raise loads.

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Answer:

waxing gibbous

Explanation:

Answer:

a.) advertisements can contain confusing, misleading information

Explanation:

Answer:

a.) advertisements can contain confusing, misleading information

Explanation:

edg 2021

Based on the mention of glacial activity, it is possible that the feature could be a glacial valley. A glacial valley is a U-shaped valley formed by the erosive action of a glacier.

A glacial valley is a landform created by the erosive action of glaciers. Glaciers are large masses of ice that move slowly over the land, carrying rocks and debris as they flow. As a glacier moves, it scours and erodes the underlying landscape, shaping it into a distinctive U-shaped valley.

The process of glacial erosion begins with the formation of a V-shaped valley, which is typically created by the action of rivers. When a glacier forms in the V-shaped valley, it widens and deepens the valley through its erosive power.

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Tectonic plates float on the semiliquid mantle of the earth.

The lithosphere is formed by the combination of many tectonic plates that circulate with regards to every different because of tectonic forces. The lithosphere basically floats on the top of a semi-liquid layer referred to as the asthenosphere. Tectonic plates are rocky formation inside the surface of the earth which rest on the asthenosphere, these are formations of crust of earth, these plates show a continous movement, situated in the outermost layer of the earth crust. The tectonic plates prevent the magma to come out on the earth surface, excessive movement of such platers sometimes lead to earthquakes, volcanic eruptions and other natural calamities.

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Answer:

True

Explanation:

The Aegean Sea is part of the Mediterainian Sea between Greece and Turkey. So, this is true.

Answer: mountain i feel like