Please help.. What is the relationship between the hole in the ozone layer and global warming?
A
The hole in the ozone layer is totally fixed but
global warming is not.
B
The hole in the ozone layer was caused by
global warming
С
Both have been reduced by countries creating
the Montreal Protocol
D
Both are caused by types of chemicals used
to cool things down.

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

All eukaryotic cells contain small bodies called

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.