Answer the question based on the following text.  Question:   Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes less to the Earth heating up Tony or Evan?    Text:  If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
The answer to this question is:
Evan