Recent Studies of Jet Contrails Found That

Multiple Choice

Recent studies of jet contrails found that

A) contrails have a very limited effect on the Earth's energy budget.
B) contrails reflect more insolation than trap outgoing radiation from Earth.
C) contrails contribute more to cloud-albedo forcing than cloud-greenhouse forcing.
D) contrails are difficult to distinguish from natural cirrus clouds.
E) contrails contribute more to cloud-greenhouse forcing than cloud-albedo forcing.