Answer:
the answer is c) Test subjects may get bored and want to quit early.
Explanation:
I tried my best to answer.
1) Chemical to mechanical (calories -> muscle contractions)
2) mechanical to mechanical (muscle -> motion)
3) mechanical to thermal (motion -> heat from the body causes sweating)
The potential energy is stored in the body chemically (via food). That potential energy is then released when the body is put in motion.
Answer:
C. In prokaryotes, DNA is made of nucleic acids
