Which of the following scientific terms has the most evidence and observations? a. an educated guess b. a scientific law c. a hypothesis d. a theory

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the above

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.

When ash and dust begin to settle on the ground, they eventually become compacted by