The correct answer is the first one because we could see reaction 2 has more energy than reaction 3 if you look at the graph and it can't be the second one cause c has more energy than a so the correct one is the first answer
Answer:
Here's your answer
Explanation:
Measurement is the measure of an unknown physical quantities to known physical quantities of its same kind
The answer should be equator
A controlled variable is not changed throughout an experiment. It is there so that the other variables being tested on can be better understood.
