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Lecture Outlines Chapter 10 Environment: The Science behind the Stories 4th Edition

Lecture Outlines Chapter 10 Environment: The Science behind the Stories 4th Edition Withgott/Brennan. This lecture will help you understand:. Challenges of feeding a growing human population The Green Revolution Preserving crop diversity Strategies of pest management Pollination

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Western African Kingdoms

Ghana, Mali, and Songhai. Western African Kingdoms. West Africa is the region of Africa on the Atlantic Coast between the Sahara to the north and rain forest to the south. Because the Sahara was difficult to cross, West Africa became known as the terra incognita, or unknown land.

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Do the costs of synthetic pesticides outweigh their benefits ?

Do the costs of synthetic pesticides outweigh their benefits ? . Provide food for growing population. 1950s, easy control of insect pests Environmental harm Beluga whale carcass classified as hazardous waste More weeds today than in 1940 Human health effects

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374 views • 18 slides

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Valuable crops - PowerPoint PPT Presentation

Lecture Outlines Chapter 10 Environment: The Science behind the Stories 4th Edition

Western African Kingdoms

Do the costs of synthetic pesticides outweigh their benefits ?