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The 15th Chapter of SCIENCE SAGA (environmental science)
Transcript of The 15th Chapter of SCIENCE SAGA (environmental science)
Present. . . Environmental Prezi The human body needs atleast eight types of amino acids that can be found in different proteins. When there is only a limited amount of food there is a limited amount of essential proteins. Malnutrition is a major problem in some parts of the world. There are parts of the world that only have the option of corn and rice. Each of these provide proteins, but not enough and not all types. Erosion will wash away soil into nearby rivers or blow them away in clouds of dust. Most of the land on the earth's crust cannot be farmed on. Only 10% of the earth's land is arable land. Urban area's occupy about 3% of the land and this is expanding still. Some expantions have often come onto arable land. Section 3 The total amount of energy that is needed to grow food on farms is less than the amount of energy needed to raise animals for human consumption. About 50% of animal species are domesticated for human use. 23% of the worlds seafood comes from aquaculture. Sea Foods In Other Countries Animals have been the main food source for some populations for centuries. The community of Yorktown relates to Chapter 15 because people who take care of our crops make sure that our crops are not contaminated by pesticides that may harm consumers. A.K.A humans. Oyster farms is one of the many methods of aquaculture. China leads the world in aquaculture.