Almost 99% of earths atmosphere is made up of two gases. what are the two gases and the percents of each? a) 21% oxygen and 78% nitrogen b) 21% water vapor and 78% oxygen c) 21% nitrogen and 78% oxygen d) 21% carbon dioxide and 78% oxygen pls

output?

explanation:

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."