Is that supposed to be an answer? you are only supposed to ask questions...
1) symbiosis is a mutually beneficial relationship between two things.
2) the symbiosis in this example shows how the sea anemone provides the clown fish with protection and in return the clown fish helps the anemone by warding off any predators
The temperature and the salinity
If an object is more dense it will absorb so it will reflect less
The continental plates collided, causing subduction to stop because India couldn't sink into the mantle, so instead it pushed the crust upward and downward, creating the Himilayas.