All of those can potentially harm the earth. Human activity is a cause of pollution, and pollution is the cause of acid rain to some extent.
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producers are plants, so they won’t attack anyone
An example is a radio wave
Answer:
It takes Earth longer to revolve around the sun than to rotate on its axis.
Explanation:
The vocabulary can be tricky in this question. It is important to remember that the term revolution refers to something moving around a fixed point. In this case, the earth is the object revolving around sun which is the fixed point in the frame of reference.
Now, the earth rotates at a constant speed around its axis. This is what causes the day/night cycle. The earth itself is spinning, therefore we use the term rotate.
Haploid gametes egg/ sperm body cells