In a couple of paragraphs, explain to a younger student why it rains sometimes (and why at other times it doesn't). What would you say to help him or her understand? Be sure to talk about moisture in the atmosphere and temperature changes. What other factors might be helpful to discuss.

Please don't write the whole essay, just start me off :)

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.