The valence part is referring to the outer most ring of electrons. Carbon only has four on the 'valence' or outer most ring helping it to form bonds with other things. I hope this helps!! Good Luck!!! :)
B , your products are on the right side of the reaction. The reactants are on the left side
Answer:
bond angles of 120 degrees.
It means that the fit and well adjusted ones thrive and "make it", and the weak ones that can't adapt die.
