A. affect
Affect can sometimes be a noun, but it is mostly used as a verb that describes some sort of change or difference.
On the other hand, the word effect is not an action nor verb; it is a noun that refers to the result of a cause.
Answer:
1.Sweetie went to Australia last year
2.The office received his letter a week ago.
3.John saved the girl
Hope it helps :)
Answer: sad really really sad they would not be able to bo anything
Explanation:
Answer: A layer of water in which there is a rapid change in temperature in the vertical dimension.