The answer will be immunity.
Being around people who smoke can make you think it’s normal or acceptable.
How are the male and female reproductive systems similar and different?
They are the same in that most of the reproductive organs of both sexes develop from similar embryonic tissue, meaning they are homologous. Both systems have gonads (male have testes and female have ovaries) that produce gametes (testes produce sperm and ovaries produce egg or ovum) and sex organs.
Definitely the flood. If a wire snaps or something, and comes into contact with the water, it can electrocute anyone who comes in contact with the surrounding water.