Cecilia C asked:


List four greenhouse gases and explain their origins and what you could do to reduce their emissions into the atmosphere.

Create a video blog

1 Comment so far

1. puppy toes ♣ May 19, 2009 3:17 pm

   I don’t know all 4 but one is Al Roker.

Leave a Comment

If you would like to make a comment, please fill out the form below.