LUI TU
2 Points
Which of these is a drawback of hydraulic fracturing?
O
A. Higher risk of acid rain damage
O
B. Higher risk of oil spills
O
C. Higher risk of mine shaft collapse
D. Higher risk of earthquakes

i'm thinking more like energy

we need to know the time interval during which the force acts. impulse of force = momentum change

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )