27. What will happen if one kidney of a person is removed? A) He will survive and remain normal.
B)
He will die.
Urea will go on accumulating in the blood.
D)
Urination will stop.
E)
He will always feel thirsty.

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?