A person stretches a spring apart in their figures and holds it there, not moving this is an exmple of? A. Potential energy turning into kinetic energy

B. Someone creating energy

C. Someone destroying energy

D. Kinetic energy turning into potential energy

pretty sure D is the right answer

Explanation:

kinetic energy is energy of motion, potential is energy that is stored

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.