earths water is mostly A saline B freshwater C freshground water D Fresh surface water PLZ DO NOT GUESS IM TAKING THIS FOR A SEROIUS GRADE

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 is it incorrect to balance a chemical equation by changing the subscripts? explain.

What forces hold molecule solids together