Dihydrogen monoxide is the chemical name for what common beverage?

The answer for #3 is c but i don't know why

  the mississippians were considered to be  horticulturalists, which means they were

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.