The subatomic particles that identifies an element and also represents its atomic number would be A. The number of protons.
The answer is: Plastic
Plastic is the result of the addition polymerization of poly(alkenes). Thus plastic is a synthetic organic material.
Hope it helped!
A should be the answer because the more you test an experiment the more data you have to rely on changing the experiment would cause you to have different outcomes making the results different and unreliable so B, C, and D is not going to be the answer Hope this helps
Answer:

Explanation:
The quantity of heat transfered from the jellybean to the water is:



Answer:
See explaination
Explanation:
please kindly see attachment for the step by step solution of the given problem.