In which situation would alley cropping be most useful for sustainable farming? A - growing crops on a mountainside

B - growing crops in an area with little rainfall

C - growing crops that need the same nutrients from the soil

D - growing crops that require a lot of shade

The speed of light can be used to measure the

Ways that industry and agriculture use physical properties to separate substances

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.