What do the Dead Sea and the Caspian Sea have in common? Both seas are at high elevations.

Both have straits that open to the Indian Ocean.

Both seas are landlocked.

Both are freshwater seas.

answer; i do believe that the correct answer is (punch card ballots);

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.

rain should be the answer.

semi-desert lowlands, hope this !