Sound waves are longitudinal waves. the height or intensity of the wave shows it's amplitude or the energy in the wave. in the diagram of a sound wave, the section labeled d shows the area of the sound wave with the a) most amplitude and most compression. b) most amplitude and most rarefaction. c) least amplitude and most compression. d) least amplitude and most rarefaction.

The current is like a stream or river in the ocean true or false

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Technology has affected regional settlement patterns in what ways? choose all that apply. climatic improvement strategies have improved crop productivity. mechanized agricultural methods have improved agricultural productivity. participation in the global economy has increased urbanization. population shifts from urban to rural areas has increased as a result of petroleum production. settlement areas have increased as a result of improved water storage and delivery systems.