The term means that lit sided of the Moon we see from Earth is getting smaller. a. waning

b. waxing

c. crescent

d. gibbous

waning

Explanation:

waning means to shrink or get smaller

the question isn't complete here so i can't right an answer '_'

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.