How does ocean pollution affect the carbon cycle?

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

Agland that serves both the digestive and the endocrine systems is called

1)some people believe that certain drugs such as marijuana should be legalized. do you agree or disagree? 2)what impact might legalization have on forensic science as a field? which drug presents the greatest challenges to forensic science? why?