Snow on the ground prevents polar climate systems from gaining heat by what mechanism? Question 7 options:

Heating by greenhouse gases

Snow reflecting solar radiation

Heat spread from the equator

Release of heat from Earth's core

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.