All of the following affect the climate of an area except

a. the average yearly rainfall an area gets
b. the average days of sunshine
c. a cold front that came through
d. altitude

How can you measure the amplitude of a longitudinal wave?

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.

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