Answer:
A. test the composite drug in a trial run
Explanation:
Mutualism since the clown fish and the anemone both benefit from each other.
The answer would be cerebrovascular disease
Hope this helps ! # And I oop
Some of these can easily be eliminated by knowing that both nitrogen 14 and nitrogen 15 are isotopes ( same element, with the same amount of protons, but with different numbers of neutrons) of nitrogen. So if the only difference between nitrogen 14, 15 , and regular nitrogen is the amount of neutrons...how many protons and electrons should both nitrogen 14 and 15 have? After thinking, you should be able to eliminate A, B,and C.
