When a person needs an organ transplant, three tests are used, one of which is ABO blood typing. Type O persons
donate to all blood types. A young African American woman needed a kidney transplant. Forty of her relatives were
chosen for testing and 25 were found to have type O blood. Can you use a z-test to compare the proportion of her
relatives who have type O to the general proportion of 51 African Americans having type o out of every 100 African Americans?

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.

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

Which muscle is responsible for inhalation ?