reading questions whap book
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Reading Questions Page # Answer (In complete paragraphs and sentences) 1. Summarize the introduction ix, xii,
Green Revolution
Reading Questions Page # Answer (In complete paragraphs and sentences) 1. Summarize the introduction ix, xii,
Ch. 10 PPT
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? 2014 Pearson Education, Inc. Key Issues ? Where did agriculture originate? ? Why do people consume different foods? ? Where is agriculture distributed? ? Why do farmers face economic difficulties? ? 2014 Pearson Education, Inc. Where Did Agriculture Originate? ? Invention of Agriculture ? Prior to the advent of agriculture, all humans probably obtained needed food through hunting and gathering. ? Origins of agriculture cannot be documented with certainty, because it began before recorded history. ? Agriculture is deliberate modification of Earth?s surface through cultivation of plants and rearing of animals to obtain sustenance or economic gain. ? 2014 Pearson Education, Inc. History of Agriculture ? Hunter-Gatherers
APHUG 11.2 NOTES
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Insights The Third Agricultural Revolution -The third revolution is also called the Green Revolution -It began in the US during the 1930s when scientists manipulated seed varieties to increase crop yields -In the 40s, US philanthropists funded research in Mexico to improve maize/corn yields -By the 1960s, Mexico no longer imported corn -Basic definition: agriculture meets science -Many feel the Green Revolution has hurt subsistent farmers that may try and sell their surplus -Green Revolution has had little affect in Africa where their agriculture focuses on different crops and they have lower soil fertility -Green Revolution focused on rice, wheat, and corn -India became self sufficient by the 1980s -Asia saw a 2/3 increase of production between 1970 and 1995
Chapter 11 Notes
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Chapter 11 Notes Trini Soza Feeding the World ? A farm where animals do most of the work. Rapidly growing population needs rapidly produced food. Human nutritional requirements are not always satisfied Humans used to survive on hunting and gathering, but 10,000 years ago agriculture began. Advances in agriculture have improved the human diet Tremendous gains in agriculture productivity and food distribution were in the 20th century. Despite advances, to this day, 24,000 people starve to death each day. 8.8 million each year. Nutritional Requirements Undernutrition: Not consuming enough calories to be healthy Food calories are converted into usable energy for the human body. Not receiving enough calories leads to an energy deficit
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