That would be catalysts.
Catalysts accelerate (speed up) chemical reactions without damaging itself. They do this by decreasing the activation energy of a chemical reaction.
Enzymes are a type of catalysts.
Answer:
Certain breeds of fish will often clean bigger fish. The cleaner fish gets food, the bigger fish gets a cleaning.
Explanation:
I'm not too sure.
Good luck! <3
Answer:
Blood is needed to keep us alive. It brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.
Answer:
Description
An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. It is defined mathematically, describing a region with a high probability of containing electrons.
Answer:
Explanation:
B. none of these are true
