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3 years ago

PLEASE help!!

Biology

2 answers:

Inga [223]3 years ago

8 0

It will be D) Sedimentary, because everything gets put over and fossils are made

Lostsunrise [7]3 years ago

3 0

Sedimentary because it is made of layers of sediment and fossils can easily get mixed in

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Based on your knowledge of how the greenhouse effect works, why does the level carbon dioxide affect the global temperature?

miv72 [106K]

Explanation:

Carbon dioxide and other greenhouse gases in the atmosphere prevents long wave radiation from leaving the earth and in the process, it raises global temperatures.

Greenhouse gases helps to maintain the fair balance in temperature on the earth surface.
They keep the temperature of the earth in balance by preventing it from losing all of the heat it gains.
Radiation from the sun reaches the surface as short wave radiations.
When they get absorbed and re-emitted, they produce long wave thermal radiations.
In the atmosphere, the radiations are cut off and causes warming due to their interaction with greenhouse gasses there
When the amount of these gases in the atmosphere become more than normal, more heat becomes trapped.
This leads to an anomalously high surface temperature on earth.

learn more;

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3 years ago

One hundred vegetarian residents of a farming village raise various crops for their own consumption on a parcel of land. They sa

Roman55 [17]

Answer: D. at most 10

Explanation:

Using the energy pyramid, the ratio of grassland to primary consumer to secondary consumer is: 100:10:1 respectively.

Thus if the grassland supports 100 cattle (primary consumer), the numbers of humans (secondary consumer) the cattle can feed will be;

100/10 = 10.

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3 years ago

Two factors which cause global climate change are listed below.

IrinaK [193]

Answer:

c. Factors 1 and 2 may be influenced by both nature and human factors

Explanation:

The sea level rising and the change in the atmospheric gases are both processes that are influenced by the nature, as well as by the human activities. Naturally, the earth has its own cycles, known as Milankovich cycles, through which the Earth warms up, or cools down, resulting in change of the atmospheric gases, and in accordance to that, change in the sea levels depending on the global climate. The humans to have become a big factor in the past few hundred years. The reason for that is that the humans with their activity started to release lot of greenhouse gases into the atmosphere, especially CO2 and methane. That has been changing the composition of the atmosphere, and the temperatures have been rising. The higher the temperatures, the more ice is melting around the poles and on the high mountains, resulting in an increase in the sea levels.

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3 years ago

Describe the relationship between cells and organisms

Elden [556K]

Cells are the basic unit of structure and function in organisms.
Needless to say, organisms can’t be a thing if cells didn’t exist.

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3 years ago

Which one is NOT one of the properties of water?

marysya [2.9K]

Answer:

a. the frozen form is more dense than the liquid form

Explanation:

The remaining properties are exhibited by water and are described as follows.

b. the frozen form is less dense than the liquid form

1. Water freezes to form ice.

2. When ice is put in water, ice starts floating in water and is visible.

3. If the density of ice was greater than water, ice would have got sunk and go downwards in the water body.

4. Hence, ice which is frozen form of water, has less density than water.

c. water is a solvent

1. The solvency is defined as the ability of a liquid to dissolve a substance.

2. Water is called the universal solvent. This means water can dissolve almost all types of substances.

3. Water is a polar solvent. The polar water molecules have the ability to break down both ionic and covalent bonds.

d. water has a high heat capacity

1. This is defined as the amount of heat needed by 1 gram of a substance so that its temperature is changed by 1 degree centigrade. The heat can either be gained or lost for the temperature to change.

2. The heat required by 1 gram of water to either increase or decrease the temperature of water is called the heat capacity of water.

e. water has a high heat of evaporation

1. This is defined as the amount of heat needed by 1 gram of a substance so that it changes its state from liquid to gas.

2. The heat required to convert 1 gram of water into vapours is called the heat of evaporation of water.

3. 1 g of water when heated at 25 centigrade needs 580 calories of heat to convert into gas.

All the above properties of water show the importance of water for life.

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3 years ago