It starts or speeds up.
Some substances need certain amount of energy in order to react with each other.
The one that accurately describes the products of a reaction is : B. new substances that are present at the end of a reaction
For example the process of photosynthesis transform CO2 and other nutrients into O2 and H2O
hope this helps
Because the box keeps going straight at the same speed, while the seat under it speeds up, slows down, or changes direction.
Answer:
Explanation:
They have the same kinetic energy
