chemistry of the nitrogenous bases are really the key to function the DNA<span>. something called complementary base pairing. cytosine can forms three hydrogen </span>bonds<span> with guanine, and </span>adenine<span> can form two hydrogen </span>bonds<span> with thymine.</span>
The correct answer for this question is this one:"Blood flows through capillaries relatively slowly, allowing sufficient time for diffusion or active transport of materials across the capillary walls. In this way, the histological structure of capillaries permits a two-way exchange of substances between blood and interstitial fluid"
Hope this helps answer your question and have a nice day ahead.
Geothermal plants rely in energy from hot springs to produce electricity so the correct answer is B.
