1. Which of the following is an example of a scientific theory? A. The law of gravity

B. an explanation of how disease spreads

C. an untested hypothesis about the structure of DNA

D. E =mc2

The answer is B.

Explanation:

This is because a scientific theory is similar to a explanation.

answer; polycythemia is the correct answer;

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.