What is the best definition of molecule?
A. A molecule is an atom that cannot be broken
down.
B. A molecule is a positively charged partide.
C. A molecule is the smallest part of a substance
that is still that substance

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

What is the relationship of air masses and the temperature of oceans?

How do scientists think that gravity affected the formation of our solar system?