Answer:
decreases amount of energy necessary for reaction to proceed
Explanation:
they lower activation energies of the reactions they catalyse
radiation, burns, skin cancer. people sunburn so often because the ozone layer was used as a protection and now it has a hole.
Answer:
a) Astrocytes
Explanation:
The astrocytes are components of the central nervous system that provide the necessary supports that the brain needs to perform vital tasks such as learning and other daily activities. They are typical cell types in the central nervous system that aid blood flow in the brain as well as the migration of neurons.
I am pretty sure the answer is all of the above, D
B.) "Primary Consumers" are known as hebrivores
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