Which statement best explains how weight management through exercise can be a physiological mechanism?
a. exercise burns more calories.
b. exercise decreases illness.
c. exercise increases metabolism.
d. exercise promotes self-control.

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.

Which of these is the best way to manage a natural resource

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?