Pretty sure it’s air pollution
Sunlight is the requirement of every single natural process on Earth.
Hello! Polar climate is in North & South Poles, where the weather there is extremely cold. Just by looking at the answer choices alone, A and B are both eliminated, because it is not hot, warm, or humid. Plus, the weather described in those answer choices does not fit at all. D is out as well, because the weather does not vary in the poles. It is very cold year-round. The only answer choice that even makes sense in this problem is C. Therefore, the answer is C.
<span>The Coptic. </span><span>The Copts are the largest population of Christians in the Middle East, numbering between 6–11 million.</span>
