Is AG on the periodic table

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.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?