Greenhouse gases absorb and trap outgoing infrared radiation from Earth and contribute to global warming. Going only by the condition of permanent dipole moment, in the list of gases given below, how many can be potential greenhouse gases? Water, sulphur dioxide, boron trifluoride, carbon monoxide, carbon dioxide, nitrogen, oxygen, methane, hydrogen sulphide, ammonia.

A

Five

B

Six

C

Seven

D

Four