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Deforestation main cause is from Humans correct. It's the process of permanent removal of trees to make room for something besides forest. This can involve clearing the land for agriculture or grazing, or using the timber for fuel, constructions. Forests cover more than 30% of the Earth's land surface. They've impacted by trees releasing carbon dioxide and other greenhouse gases. Forest loss and damage is the cause of around 10% of global warming.
Answer:
How, Why And When The United States Entered The War. Although many countries were drawn into the conflict of World War I, the United States maintained a policy of isolationism advocated by President Wilson.