Which gas did volcanoes not produce in the precambrian era?
o
a. oxygen
o
b. sulfur
o
c. water vapor
o
d. carbon dioxde

it is a learned trait

explanation:

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

d. groundwater flows through the subsoil and deposits minerals.