Hi , the answers are:
A. a widely distributed fossil of narrow range in time
B.the beginning of a new or distinctive period
C. a molecule capable of acting as an enzyme
D. animal using only two legs for walking.
I think it is mitochondria. Yes, most likely it is.
Answer:infectious disease
Explanation:
.
Answer: So safety officials can ensure that all guidelines are being followed. so workers' families can be given correct compensation for accidents. so employers can know which employees are more accident-prone
Explanation:
