What happens if you put carbon dioxide and oxygen together

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Define a is a tiny pavket of energy

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.