GALAXIES & STAR CLUSTERS WORKSHEET
Ignore what I wrote there!!I will give brainliest.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.