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ElenaW [278]
4 years ago
13

What is thought to have caused the ice age

Biology
2 answers:
Nostrana [21]4 years ago
8 0

Answer:

It is believed that the ice age was caused by fluctuations in the amount of solar energy received by the planet in some periods of time.

Explanation:

Ice age is the name given to the period when thick layers of ice cover large areas of the Earth. These periods can last for thousands of years and dramatically change the characteristics of the planet. There have been some very significant ice ages in the history of the planet. At the end of the 19th century, much research showed that there were several ice ages, alternating with interglacial periods. The interglacial period or interglacial phase is characterized by warmer average temperatures and consequent thawing of the glaciers, while the ice ages are periods of very cold, where the temperature of the Earth is very low causing the increase of the glaciers. It is believed that the ice age was caused by fluctuations in the amount of solar energy received by the planet in some periods of time.

Semenov [28]4 years ago
7 0

Answer:

Ice Age Explanation. Fluctuations in the amount of insolation (incoming solar radiation) are the most likely cause of large-scale changes in Earth's climate during the Quaternary. In other words, variations in the intensity and timing of heat from the sun are the most likely cause of the glacial/interglacial cycles.

Explanation:

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The currently accepted model of the coeur laboratory you are observing skin cells labeled 'defective' to determine what is wrong
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Answer:

Cell membrane

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Give an example of an analogy for describing the difference between prokaryotic cells and eukaryotic cells
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kykrilka [37]

Answer:

Abiotic factors are the non-living parts of the environment that have a major influence

on living organisms. They can help determine things like how tall trees grow, where

animals and plants are found, and why birds migrate. The most important abiotic factors

include water, sunlight, oxygen, soil and temperature.

Water (H2O) is a very important abiotic factor – it is often said that “water is life.” All

living organisms need water. In fact, water makes up at least 50% of almost all living

things. Some organisms are made up of 95% water! Water is also essential because

other substances easily dissolve into it. This allows water to carry nutrients to cells and

wastes away from them. Without water, animals become weak and confused, and they

can die if they don’t get enough water. Think of how you feel after you take a long run.

Do you feel thirsty? This is your body signaling to you that you need water.

Sunlight is the main source of energy on Earth, which makes it an extremely important

abiotic factor. Sunlight is necessary for photosynthesis, the process where plants use

carbon dioxide (CO2) and water to make sugar – food for the plants that later becomes

food for animals. Without the sun, plants could not live, and without plants, animals could

not live! Sunlight is also plays a role in the production of oxygen and to an area’s

temperature, which are discussed in detail below.

Like water, oxygen (O2) is another important abiotic factor for most living organisms.

Oxygen is used by cells as an energy source. It gives cells the energy they need to carry

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other organisms that use oxygen would not be able to live! Oxygen is produced by green

plants through the process of photosynthesis, and is therefore directly linked to sunlight.

Soil is considered an abiotic factor since it is mostly made up of small particles of rock

(sand and clay) mixed with decomposed plants and animals. Plants use their roots to get

water and nutrients from the soil. Soils are different from place to place – this can be a

big factor in which plants and animals live in a certain area.

Temperature is an abiotic factor that is strongly influenced by sunlight. Because the

amount and strength of sunlight varies by location, the earth’s surface has different

temperatures in different zones. While some animals and plants can bear extreme heat

or extreme cold, others can only survive well in moderate temperature ranges. In fact, all

plants and animals are adapted to survive between a minimum and maximum range of

temperatures. For example, a penguin from the polar region couldn’t live in a 110°F

desert. It would be too hot! Temperature, then, helps to influence which plants and

animals can live in an area.

4 0
3 years ago
Biochemistry involves the production and degradation of biological molecules such as nucleic acids, proteins, lipids, carbohydra
SSSSS [86.1K]

Answer:

Disorders are present below.

Explanation:

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