Answer:
D.
Explanation:
A. just isn't true. B. isn't true either because, like bacteria, we are adapting to their changes. C. isn't right either because some bacteria helps us survive. D. is the only true statement.
When you say "hands" does that mean 12 on each hand? or 12 for both hands. If it is 12 for each then I would say it is estimated that he has 6.48 billion toes on each foot. hope this helps.
Answer:
the alternation in specific cellular functions
Explanation: