What can we say about a polarizing filter with vertically aligned chemical molecules?

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.

The slope of a velocity time graph over any interval of time gives the during that interval

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.