Which physical properties of nylon and leather make them good choices for shoelaces?

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.

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane