George was curious about the best way to recycle aluminum. his science teacher told him that there have been numerous studies already done on this topic. what would be george's first step in his investigation of recycling of aluminum? a) research b) experimentation c) classification d) observation

Describe the interaction that occurs between two objects with the same electrical charge.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

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.