ANSWER:a
Producers are plants while consumers eat other things to get energy, like us
Activation energy?? The energy needed to start a chemical reaction is called activation energy
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Answer:
seven on the ph scale is the neutral point
Explanation:
The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
A collection of monomers combines to form a polymer
Hope my answer helped! :D