The atmosphere also protects living things on Earth from the sun's harmful ultraviolet radiation. A thin layer of gas called ozone high up in the atmosphere filters out these dangerous rays. The atmosphere also helps to sustain life of Earth.
The answer is A. Class, because the divisions get smaller and smaller as they go down. Class is before Order so the division would be bigger.
Explanation:
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5.
I'm pretty sure 2 and 5 are right, but I'm not 100% on 1.
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Water exists as a solid at or below 0 degree Celsius.
At 0 degree Celsius, water can go through a phase change, either freezing or melting, depending whether energy is given or taken away. If the temperature is below 0, water should exist as solid as the temperature is lower than its melting point. If the temperature is right at 0 degree, the water can partially be solid and liquid at the same time, during phase change.
Therefore, water exists as solid at or below 0 degree Celsius.
Answer:
A logging company promises to plant five trees for every one of them that it cuts down. You may or may not have seen a forest affected by acid rain. The trees are stripped of leaves and branches and the whole forest appears to be like it's dying, which it is. Acid rain is caused by air pollution and has a very harmful effect on plant and animal life, any life really.
Explanation:
