Answer:
False only direction not weight.
Explanation:
It help protect you from coming out the car when you are in a accident
Answer:
c
Explanation:
OPEN AND CLOSE REFRIGERATION VALVES
<span>The purpose of pumping is to increase overall velocity. The person drops down into a crouch while traversing the more-or-less flat bottom of the U-shaped pipe or bowl. Then, as he enters the sloped part of the ramp or bowl, called the transition, he straightens his legs and rises up. By raising his center of mass just at the beginning of the arc, the person gains energy and thereby increases his speed.</span>
