I think the enzyme photolyase is activated by light and can repair thymine dimers caused by UV radiation. Exposure to UV radiation is the main factor that causes skin cells to become cancer cells. These enzymes are involved in the repair of ultraviolet light-induced DNA damage when activated by light absorption.
The answer is C (when they cannot interbreed) because when the new species cannot have offspring with the old species, they do not mix traits.
200 centiliters is = to 2 liters.
