A recorder has seven holes. If you want to produce the deepest pitch possible, you would:

a. Cover the largest holes

b. Cover the topmost and bottom-most holes

c. Cover none of the holes

d. Cover all of the holes

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Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes