Answer:
Kinetic energy.
The explanation never existed
I think, it must be a chemical. Because the fire is a chemical reaction. So, the chemical energy converted to heat energy.
No fire uses oxygen sparks and flammable wood or whatever you choose to burn
Answer:
Explanation:
In an experimental research, the control group is the group that serves as the neutral group that is not given any form of treatment and serves as the group in which the experimental groups are firstly compared to. Thus, <u>the control group in the question described is the Third group</u>.
While experimental groups are the groups that receive treatments required to make an inference from the experiment. From this description, <u>it can be deduced that the First and the Second group are the experimental groups.</u>