good land and production practices can increase greenhouse gas emissions.t f

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.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Explain the significance of meiosis in sexual reproduction