Sophia_Environmental_Science_Milestone_3.docx - You passed...

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You passed this Milestone20 questions were answered correctly.4 questions were answered incorrectly.1Which of the following is currently increasing because of human population growth and its associated impacts?Non-renewable resourcesLand available for cropsFreshwater suppliesSea levelsCONCEPTPopulation Growth Solutions2Choose the true statement about global food production.Examples of subsistence crops include tea and coffee.Food production is dependent on suitable land, temperature and precipitationand soil health. Many different crops are grown around the world, but rice is the most dominant.Cash crops include only non-food crops such as tobacco and rubber.CONCEPTAgriculture Practices3
Which of the following is NOT a consequence from the runoff of fertilizers into the water supply?Tainted drinking water leads to human disease.Fish die due to toxins.Oxygen levels in water increase.Algal blooms take over a body of water.CONCEPTFertilizers and Pesticides4Which statement about efforts to address water pollution in the United States is true?The state with the most polluted bodies of water has been greatly improved.Less than a quarter of waterways in the country remain compromised.Earth Day was originally established with a sole focus on protecting waterways. The Clean Water Act protected water sources but did not address the discharge of pollutants.CONCEPTEfforts to Address Water Pollution in the United States5Select the example that describes a political cause of famine.An administration halts food distribution to certain parts of a country.A severe drought limits foods produced in a heavily populated area.
A country does not have the purchasing power to import food.Farmers lack the money to acquire the seeds of a new corn hybrid.CONCEPTWorld Nutrition6Choose the true statement about water on Earth.Oceans cover about 50% of the Earth’s surface.Freshwater is found in glaciers, ice, rivers, lakes and below ground. Humans can easily access a large percentage of the Earth’s freshwater.Oceans contain approximately 90% of the water on Earth.CONCEPTWater7Phyllis has an organic apple orchard. The round-headed apple tree borer can kill a tree, and most farmers spray a pesticide to kill the borers. But Phyllis uses neem oil, an oil from the seeds of an Indian evergreen tree, to interrupt the insects' life cycle.

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