I believe it's B. Apologies if I'm wrong.
The selective pairing of adenine (A) with thymine (T) and guanine (G) with cytosine (C) is based on the number of hydrogen bonds established between one of the purine bases and the one pyrimidine bases
Answer:
Homeostasis is maintained at many levels, not just the level of the whole body as it is ... Of course, body temperature doesn't just swing above its target value
<span>D
Sedimentary rock can change into metamorphic rock.</span>
