Not sure but my best guess is to go with B. It just makes the most sense.
Answer:
the rock cycle that's a thing?
Answer:
in which topic or what is it related to by the way
Answer:
Food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion.
The answer is: It is an explanation for an observation.
Explanation:
A hypothesis is a suggested explanation that is both testable and falsifiable. You must be able to test your hypothesis, and it must be possible to prove your hypothesis true or false.