A sea anemone because they have a symbiotic relationship. The clown fish is kept safe when in the sea anemone from predators. They clown fish also eats the left overs on a sea anemone! :)
B. Deposition
Deposition is the dropping of sediment by wind, water, ice, or gravity.
Yea of course the use one
It is the ratio of distance an object moves to the amount of time needed to travel the distance. Option b.