WILL FOREVER BE GRATEFUL WILL GIVE BRAINLIEST AT LEAST TAKE A LONG!!!

15. Which of the following statements about growth rate of the human population is true?
A) It varies from country to country.
B) It is lower in less-developed countries.
C) It is higher in developed countries.

14. What is a trophic level?
A) a living organism's position in the flow of energy through an ecosystem
B) the total amount of energy that is present in an ecosystem
C) an organism's environment, as well as physical factors that make up that environment
D) a group of organisms that can convert one form of energy into another form

10. What mechanism is responsible for the obvious signs of an intoxicated person?
A) nerve cells are not functioning at all
B) cells are prevented from releasing hormones and enzymes
C) muscle cells have been blocked by dopamine
D)nerve cells are not effectively communicating with muscle cells