It can soak into their skin and body and can harm them very bad. It messes with their environment and ruins that too. If you have any further questions plz let me know. Thank You.
it would be easiest on the moon because if you were on the moon everything is lighter
Number 4 should be mitosis
for question 1.) i am pretty sure of answer a.)
for question 2.) the answer is most likely b.)
i would recommend waiting for a second opinion. just to be safe.