Which statement is true?

a. rocks do not contain any mineral matter.

b. most rocks are composed of single mineral.

c. most rocks are made up of a mixture of minerals.

What happens when light is scattered?

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.

Why dose heating increase the speed at which a solution dissolved in water