Which of the following is true of biogeochemical cycles?
Choose 1
They ensure that nutrients are only used once by organisms.
They increase the total amount of matter over time.
They create new atoms to replace lost ones.
(D)
They can be affected by human activity.

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

How does science influence the decisions made about social, economic, and political issues?