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Environment
Top voted Environment Articles
#31voted by our readers
By liam0306121799 BRONZE
Mclean, Virginia
Have you ever wondered why all jet planes leave white trails behind them at high altitudes? It is called contrails made of carbon dioxide that leaves a trail in freezing temp...
Mclean, Virginia
Have you ever wondered why all jet planes leave white trails behind them at high altitudes? It is called contrails made of carbon dioxide that leaves a trail in freezing temp...
