Consider this statement: Alris matter. Which facts best support the statement? Balloons can be filled with air.
Air is essential for life to exist;
Air has mass
Air is not an element.
To float on air is to be happy
Air cant be seen

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.