One choice contains ONLY biotic factors that might be found in a home aquarium's environment. That is A)
fish, snail, and plants.

B)
fish, snail, and gravel.
water, gravel, and the glass wall of the aquarium.

D)
fish, dissolved oxygen, and bacteria living in the water.

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users