Which best describes the energy conversion that happens when hydroelectric power plants are used to make electricity?
A. Chemical bond energy to electrical energy
B. Nuclear energy to electrical energy
C. Light energy to electrical energy
D. Kinetic energy to electrical energy

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?