What makes a source credible? a. its accuracy can be corroborated. b. the author is a famous politician. c. it is written with an inconsistent tone. d. it appeals to people's emotions.

A. Its accuracy can be corroborated.

Explanation:

A credible source is a source of information, in which the data is backed up with evidence (supportive information such as charts, graphics, illustrations, etc), and its accuracy can be corroborated (reference lists or documented research). A credible source is usually written by authors with experience in the field, and is written with educational or research purposes.

answer; a variety of simple organic compounds could be spontaneously synthesized from components in earths primitive atmosphere;

answer; supertaster;