Edward Saade is investigating the question How deep is the ocean floor in different places? What evidence did he use to help answer his question.

[bws.05]where would uncharged particles be most likely found in an atom? o on the electrons o inside the protons o inside the nucleus outside the nucleus

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

Why would the composition of a meteorite resemble the earth's interior?