What is the is the difference between the littoral and limnetic zone?

Which statements about the enhanced for loop are true for arrays of primitive data?

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

I’m stuck on this question cuz i’m stupid sksksksk