I only know one for the first one, don't be mad, please.
1. I'm pretty sure one of them is membrane
2. A cell can die through infection, poisoning, overheating, or even lack of oxygen.
3. I think it depends on how fragile the membrane of the cell is.
I'm so so so sorry if these didn't help, I'm trying my best, lol.
The most appropriate answer is C ! in atomic bomb there is uncontrolled nuclear chain reaction !!
Answer:
Natural selection occurs if four conditions are met: reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual.
Explanation:
