Acid rain is actually rain that we get from polution and it has many chemicals in it
Answer:
The ploverbird and alligator have a symbiotic relationship.
Explanation:
The ploverbird cleans the alligators teeth in order to eat and the alligator gets a dental checkup so they both benefit from the relationship.
The surface layer of the water freezes solid creating a barrier that insulates the ice below so that it keeps a steady temperature usually a few degrees above freezing (32 degrees).