I don't know the real answer because you didn't attach the choices, but Adenine (A) is always paired with Thymine(T) and Guanine (G) is always paired with Cytosine (C).
Answer:
I'm going to say nuclear power plants.
Explanation:
I heard that this generates electricity. I hope this helps! Keep learning! :)
<span>A symbiotic relationship in which two different organisms benefit from living together is called "Mutualism"
Hope this helps!</span>
