Which statement gives a valid scientific reason for the greenhouse effect?
Infrared radiation causes bonds in CO2\text{CO}_2CO2 molecules to vibrate more.
Infrared radiation causes N2\text{N}_2N2 molecules to vibrate more.
Ultraviolet radiation causes bonds in CH4\text{CH}_4CH4 molecules to vibrate more.
Ultraviolet radiation causes covalent bonds in CO2\text{CO}_2CO2 molecules to break.