When a mutation has an effect that helps a species adapt to an environment, and specimens of both genders have it, it will end up taking over, causing evolution to gradually happen.
Adenine (A) binds with Thymine (T).
<span>Guanine (G) binds with Cytosine (C).
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Adenine and Guanine are purines. Thymine and Cytosine are pyrimidines.
Hope this helps !
Photon
The answer to this obvious question is true
The correct answer is B(c?): <span>chlorofluorocarbons. Their reaction with ozone molecules is catalysed by UV radiation, oxygen (O2) is a product. Ozone is an important component of the atmosphere because it protects Earth's surface from UV. </span>
