Answer:
1.) A word used to describe the amount of water vapor that is in the air.
2.) The humidity's number percentage.
3.) A meteorologist studies atmosphere...Their primary focus is on the atmosphere's humidity.
Answer:
A represents photosynthesis and B represents cellular respiration.
Explanation:
As in A there is utilization of carbon dioxide and water to make oxygen and glucose which is a key process of photosynthesis, and then this oxygen and glucose is used as energy source to produce carbon dioxide and water as by products of respiration.

Arctic <u>cod</u> , fish that produces antifreeze proteins in its blood.
Random changes in allele frequency in a population are usually called genetic drift. The reason why this is the answer is because it is a very specific word which is used to describe exactly that - random changes in allele frequency.
All the other cases; answers, here aren't correct and don't apply.
Answer: some moons are farther away and harder to spot
Explanation: