SCI 200--Practice Milestone 3 Questions and Answers (Solved)

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SCI 200--Practice Milestone 3 Questions and Answers (Solved) Select the true statement about water usage. Households, industry, and agriculture use roughly the same amount of water. Agriculture us... es the least water. Industry uses the most water. Households use the least water. ✔✔Households use the least water. In the United States, which of the following is the percentage of grain grown that is used for animal feed? 100% 75% 50% 90% ✔✔90% Which of the following correctly lists the three crops that supply the majority of human caloric needs worldwide? Potatoes, rice and barley Potatoes, soybeans and corn Wheat, soybeans and barley Wheat, rice and corn ✔✔Wheat, rice and corn Which of the following is describes a sustainable agricultural practice? Enhances and replenishes natural resources Uses resources in a manner that doesn't degrade them Focuses on natural fertilizers instead of synthetics Provides technical instruction on methods less harmful to the environment ✔✔Uses resources in a manner that doesn't degrade them Which characteristic describes developing countries? Experience less famine Consume the most meat resources per capita Contain the fewest number of people Have the fastest rate of population growth ✔✔Have the fastest rate of population growth Which of the following is true about the breakdown of water on Earth? Although there is an abundant supply of water on Earth, very little freshwater is readily available. Approximately 80% of Earth's surface is covered by oceans and another 10% by lakes and rivers. There is an infinite supply of water on Earth as new water is constantly added through the water cycle. Nearly all freshwater is found in glaciers, which eventually melt into lakes and rivers for human consumption. ✔✔Although there is an abundant supply of water on Earth, very little freshwater is readily available. Select a way that humans impact aquifers. Use chemicals to purify the water in aquifers. Increase underground water levels. Expose groundwater to evaporation. Contaminate groundwater with fertilizers. ✔✔Contaminate groundwater with fertilizers [Show More]

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