Answer:
There must be an equal amount of each element on both sides of the equation. Hope this helps and please marks as the brainliest.
Explanation:
Answer:
It cannot be constant because if it does not change and each time it increases its strength and speed.
Explanation:
Answer:
b. they get blown in from colder or warmer areas.
The blades that spin around in the fan, because they are flat and produce work