Answer:
you will feel warm
Explanation:
beacause your body will get the warm from warm water tap..
Answer:
50%
Explanation:
Efficiency = work out / work in
e = Fd / W
e = (2000 N) (2 m) / (8000 J)
e = 0.5
An Active solar energy system because it uses the sun to heat up the green house an I’m return the plants grow an produce food
The answer is a constraint
Shaking the ground up and down back and forth perpendicular to the direction it is traveling