An ocean wave energy device moves up and down with the motion of an ocean wave. The device produces more energy if larger waves move the device. Which property of waves does the wave energy device use the most?

amplitude

amplitude

frequency

frequency

volume

volume

wavelength

wavelength

Structures in cells that carry out specific functions.

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called