Which of the following is a way in which earth material is returned to the surface? a. a volcanic eruption b. melting from pressure and heat c. weathering and erosion d. deposition

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.