Answer:
Clearly Metabolism, is just like eating a lot, so to help our bodies receive energy just eat.
Classical conditioning is based on Pavlov's experiments. The most famous and used example is that of a salivating dog. Pavlov would ring a bell before feeding the dog, up to the point where the dog would learn, or became conditioned, that whenever the bell would ring, it was about to be fed. Thus, every instance where Pavlov rang the bell, the dog would salivate as its brain prepared the body for feeding.
I think the answer is B: The doctor will have more advanced medical equipment than before.
Tanning can actually cause cancer and other health conditions to your skin. It is better to naturally tan but still put on sunscreen to avoid skin cancer or heat damage to the skin.