'This 2nd-lightest gas is used in breathing mixtures for deep-sea divers to help them work at extreme depths'
helium
EVERY BREATH YOU TAKE: This 2nd-lightest gas is used in breathing mixtures for deep-sea divers to help them work at extreme depths
This 2nd-lightest gas is used in breathing mixtures for deep-sea divers to help them work at extreme depths
This 2nd-lightest gas is used in breathing mixtures for deep-sea divers to help them work at extreme depths
EVERY BREATH YOU TAKE
helium
EVERY BREATH YOU TAKE