if I took two electrons (negatively charged particles) and tried to put them near each other, what would happen?

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.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

How have the greenhouse gasses increased from the year 2000 to 2018