Questions On Studying The State Of Our Earth

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Alexis Walker Saint Francis Preparatory Cor: 418 AP Environmental Science Summer Assignment 2014 Chapter 1: Studying the State of Our Earth: Do the Math: Environmental organizations might choose to present similar information in different ways because so they can show people that even though this information is a bit different from others and may be for something different. All that information does lead back to the same cause or motive that needs to helped and changed. Multiple- Choice Questions: 1.D 6.E 2.B 7.B 3.B 8. E 4.B 9.B 5.C 10.A Free-Response Questions: 1. (a) The algal bloomed in the pond because there was most likely too much fertilizer applied to the lawn. When it rained, some of it…show more content…
It has proven that my hypothesis that the fertilizer will cause the growth of algae in the pond water is validated. (c) My neighbor should not apply any more fertilizer on to the lawn. She needs to use a soil test kit to see how high the nutrient levels of the lawn are. Then, she needs to use lawn mower to help restore the nutrient levels back to normal. Also, she needs to scoop all the algae out of the pond and drawing down the pond water a little. Then, replace the water with a freshwater. 2. (a) One general effect of overuse of an environmental resource is cutting down trees. (b) A more sustainable strategy for resource utilization is to recycle and reuse all the renewable resources like cans, bottles and papers. (c) The past events from Easter Island has help indicate environmental issues on earth today by showing that the environmental scientists believe that there are more limits adding on to resources that are already hard to get today. Resources like clean air and water, nutritious foods and other resources that our environment provides. Also, they believe that the earth will no longer be able to maintain a stable climate. Chapter 2: Environmental Systems: Do the Math: Fuel – efficient car: 76 Liters x 10kWh = 760 kWh 760kWh x 3,600,000J = 2,736,000,000 J Energy – efficient refrigerator: 1,790 kWh × 3,600,000J = 6,444,000,000 J Answer: The energy- efficient refrigerator would be the one to

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