Personally I would say kinetic energy!
The answer is d, since air is a muxture of compounds. a way to differentiate between a muxture and a compound is to see it it is a word you would say normally. for example, you would say air on a normal day. however, you wouldn't say carbon monoxide on a normal day.
hope it helped! :)
Answer:
After fertilization, the zygote begins to divide rapidly. Twenty-four hours after fertilization, the zygote contains two cells, and three days after fertilization the zygote has 16 cells and is called a morula. The cells continue to divide and form a hollow bundle called a blastocyst
Explanation:
The answer would be B for this question. ATP is used by the mitochondria the “power house” of the cell.