There is an agreement among observations derived from many different sources that the theory of common descent is the best scientific explanation for the diversity of life on earth. what terms describes this diverse weight of evidence?

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

saving account is right

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer