The function p = 100 − 20 cos 7πt 3 approximates the blood pressure p (in millimeters of mercury) at time t (in seconds) for a person at rest. (a) find the period of the function. sec g

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere