in pennsylvania, for example, we have igneous rocks such as granite and rhyolite. the presence of such rocks tells us that at one time in our history the following was present.

Land cool more quickly than water. as a result the pressure over the water is lower than that over the land, and the air moves from the land to the water. what is this known as. a) prevailing winds b) sea breexes c) land breezes d) valley breezes