Answer:
D, amino acids is the answer.
In a way, yes.
experiments need a hypothesis (this would correspond to "what they already believe") which has to be a specific proposal, not a question (e.g. turtles reproduce sexually)
their experiments proove (or, better said: test!) whether "what they already believe" is true.
I believe the answer to be <span>D: The tropical rainforest has a higher mean annual temperature and receives much more annual precipitation. I believe this to be true because, as you can see below, the temperature and rainfall of the tropical is higher than the Temperate.</span>
Two atria and two ventricles..
CNt see it take a better ohito