Which of the following is a renewable energy resource? I. Solar II. Wind III. Geothermal IV. Natural Gas A. I and II only B. III and IV only C. I, II and III D. II, III and IV
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- The producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonWhich biogeochemical cycle does not have a gaseous component but cycles from the land to sediments in the ocean and back to the land? (a) carbon cycle (b) nitrogen cycle (c) phosphorus cycle (d) hydrologic cycle (e) neither a nor c has a gaseous componentWhat are additional benefits of switching to climate safe energy sources apart from reducing greenhouse gas emissions? Select all that apply: a. reducing air pollution b. reducing nuclear waste risks c. reducing the amount of natural land utilized d. securing energy resources for the future
- ____ generated power is the number 1 source of renewable energy in the United States. a) Wind b) Solar c) Hydroelectric d) CoalIn a cap and trade program, the ‘cap’ refers to what? a. the maximum amount of fossil fuel emissions that can be released in total b. the maximum amount of money that a company can make when selling fossil fuels c. the maximum amount of fossil fuel emissions that can be released by an individual d. the maximum amount of money an energy provider can charge for their productMichael wants to build a new storage shed and is considering clearing some trees from his land to use as lumber. What justification best explains the ecological benefit of saving his trees? a Decreasing shade and windbreaks b Providing food for hundreds of species c Sequestering (storing) carbon d Aiding in discharge of aquifer
- The total amount of energy taken up by producers through photosynthesis in an ecosystem is known as...? Group of answer choices a. evaporation b. net primary production c. standing crop d. nutrient limitation e. gross primary productionIn my environmental science course, our assinment is to study coal and natural gas. What are the advantages and disadvantages of using coal?Which of the following approaches would be the most effective way to reduce greenhouse carbon dioxide? a. Increase waste deposition into the deep ocean. b. Plant more environmentally-suitable plants. c. Increase use of fuel sources that do not produce carbon dioxide as a by-product. d. Decrease livestock agriculture.
- Renewable energy approaches include all of the following excepta. fracking.b. solar panels.c. wind farms.d. cellulose fermentationConsider yourself as an owner of a factory using fossil fuel as energy source. Now as an environmental expert, you want to make some decisions or rules in your company to reduce the pollution and also to reduce the global warming. What are the steps that you will take? Explain it in detail.1) A scientist finds that the gross primary productivity of the grasslands of the central United States is 55 g / m2 / year. If the respiration loss is 33 g / m2 / year, what is the net primary productivity? a) subtraction from gross productivity and respiration.b) The same as primary productivity.c) The value of respiration.d) The sum of gross primary productivity and respiration.
