The independent variable should be the plants you used.
Science is based on the evidence collected by scientists.
Chemical: Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.
Nuclear: Nuclear energy comes from splitting atoms in a reactor to heat water into steam, turn a turbine and generate electricity.
Kinetic: Kinetic energy is the energy of motion. An object that has motion - whether it is vertical or horizontal motion - has kinetic energy.
It would be awesome if you marked brainliest! :)
The answer is (b) hope it helps have a good day :)
