In general, what determines whether a substance is considered
to be a solid, liquid or a gas?
A. the color of the substance
B. the volume of the substance
C. the arrangement and movement of the
particles in the substance
D. where the substance is found on Earth

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

What is the difference between how ionic and covalent bonds form

Vessels draining the myocardium of the heart, open primarily ,into which chamber?