What is in blood that makes the different blood types ? A) The type of enzyme(s) on the surface of the blood cell
B) The type of DNA inside
C) The chemical makeup of the blood molecule
D) The shape of the blood cell

The movement of tectonic plates in two different locations is shown below: two blocks labeled location a and location b are shown. at location a the top layer of the block shows two horizontal arrows pointing towards each other. small dunes are shown in the middle between the two arrows. the block labeled b has a vertical line in the middle. on the left of the line there is an arrow pointing down. on the right of the vertical line there is an arrow pointing up which statement is most likely true? subduction may occur in both locations. earthquakes may occur in both locations. subduction may occur in location a only and a volcanic eruption may occur in location b only. an earthquake may occur in location a only and a volcanic eruption may occur in location b only.

In which layer do organisms on earth love?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?