Which letter shows the type of wave that can be used to see inside the human body?
a. a
b. b
c. c
d. d

Hydrogen and helium are both members of?

Name the non metal condut electricity

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great. d) about 10 times as great.