Which of these is most commonly found in its liquid form?
O
A. Oxygen
O
B. Water
O
C. Hydrogen
O
D. Helium

NEED ASAP!!!

What can be found in the ionosphere

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene