Will give brainlest the early, rapid growth of the human population was a direct result of city dwelling increased food supply manufacturing division of work in society

The majority of sulfur dioxide produced by industry comes from a. oil refineries. b. dry cleaners. c. chemical plants. d. coal-burning power plants.

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Variety of living organisms; includes genetic, species, and ecological types.