Describe one energy conversion that takes place in a hydroelectric power plant (don’t use other answers. make a new one)

The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

In what for do plants utilize nitrogen? why do they need nitrogen?

What is the difference between an igneous, sedimentary and metamorphic rock