This ws  shows how can  humans contribute to Global Warming, the types of  contaminants  human beings use  and  its effects on earth.The impact on Endangered animals, the refrigerants and contaminants as Co2, Methane and others . 

causes-and-effects-of-global-warming-activities-promoting-classroom-dynamics-group-form_81300.docx

Causes and effects of Global Warming

causes-and-effects-of-global-warming

This ws  shows how can  humans contribute to Global Warming, the types of  contaminants  human beings use  and  its effects on earth.The impact on Endangered an…