Page 2 of comments on GreenHouse Effect: What is it ? What Causes it?


by Patrick Matuszak

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» left by Crystal Lea
from Gosford, NSW, Australia 5 years 261 days ago.
This is very helpful for school projects and understanding of the Greenhouse Effect. I give a thumbs up.
» left by Annabelle Gregory
from Atlanta GA, USA 5 years 127 days ago.
This was very helpful to me for my school essay on global warming
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