What do you need help with?
D. meiosis
Because the dna is replicated only one time, then are divided into 4 seperate cells
The process is called Peer-Reviewing. In Peer-Reviewing, scientists/academic peers "peer review" the work of a scientist to check for accuracy or any false information that might reduce the legitimacy of their study or change "how realistic/real" their study is.
p.s. This is also common sense because scientists make up an entire scientific community who base their scientific studies on consistency and accuracy.
The answer is B, fossil fuels take a long time to form and humans use lots of them everyday