All are true about how does gravity aid erosion except?
Gravity causes rocks to fall and break apart.
Gravity causes rocks to get larger then breaks it apart.
Gravity pulls rainwater down eroding rocks.
Gravity causes other soil and sand to move down eroding rocks.

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.