Which of the following is not true of the seasons?

a. the earth is closer to the sun during the summer and farther away from the sun during the winter.
b. the seasons are caused the tilt of the earth on its axis.
c. summer does not start on the same day in every country on the earth.
d. during the summer, days are longer.

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

How are calculation for velocity and speed different

How many times did thomas edison mess up the light bulb