<span>Noctilucent clouds (sometimes known as night clouds or mesopheric clouds) form in the mesosphere, a layer of the atmosphere located 47-59 miles above the Earth. </span>
Your answer would be Water. :)
Answer:
Explanation:
Mutualism - two organisms that benefit from each other
Commensalism - one organism benefits, one isn't harmed
Parasitism - a parasite benefits from and harms a host
Predator-Prey - a predator (animal that kills another for food) kills a prey (the animal it likes to eat) and eats it
