What is a precipitate? a) A solid reactant in a chemical reaction that is not in aqueous form?
b) A solid product of a chemical reaction that is in aqueous form?
c) A solid product of a chemical reaction that is not in aqueous form?
d) A solid reactant in a chemical reaction that is in aqueous form?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What is the most important factor in determining climates.