Answer:
irreversible chemical change
Explanation:
A chemical change always results in a new substance and as it is not possible to reverse it, it is an irreversible chemical change.
I hope you understood :)
By lowering the activation energy, it helps the reaction go faster.
I believe the answer is fish vertebrates. i hope this helped
The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
In the center of the centrosome
