2 points Environmental science is a *
A. narrowly defined set of physical, life, and social sciences.
B. subject that only deals with the environment.
C. collective of like-minded people that attempt to raise awareness and take action to
protect our environment.
D. interdisciplinary subject used to gain knowledge about the environment.
d interdiscinlinary?

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.