Carbon Dioxide Contributes to Atmospheric Warming by ________

Multiple Choice

Carbon dioxide contributes to atmospheric warming by ________.

A) absorbing incoming radiation from the sun and converting it to heat
B) absorbing radiation emitted from the surface of the earth preventing its loss to space
C) undergoing exothermic reactions extensively in the atmosphere
D) increasing the index of refraction of the atmosphere so that infrared radiation from the sun is refracted to the surface of the earth where it is converted to heat
E) reducing the concentration of CO in the atmosphere