If i had 504 pounds of apple, how many bushel of apples do i have

100mg magnesium reacts with 20ml of 1.0m hcl

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.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?