Which is the worst form of marine pollution? (2 points)
1)effects of oil in the oceans
2)slowly degrading chemicals
3)coastal mining booms
4)improperly disposed trash save

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells