Answer:
D. the proper replacement unit for one joule per second
Explanation:
When energy is divided by the time the energy was used we get power



So, the answer is D. the proper replacement unit for one joule per second
Answer:
height is the answer i'm pretty sure.
Explanation:
Answer: C
Combustion
Explanation:
Oxygen support combustion in a chemical reaction. Oxygen support burning.
In the absence of oxygen, combustion reaction can never take place. And when the supply of oxygen is being cut off, combustion reaction will automatically stop.
The correct option is C which is combustion
The unseen force of gravity acts on the sled,
accelerating it downward.