ucture.com/courses/28204/quizzes/155136/takeA fossil fuel[ Choose ]The gas produced by cows thatcontributes to global warming[ Choose ]The process of converting waste[ Choose ]into reusable materialA metropolitan area that issignificantly warmer than itssurrounding rural areas due tohuman activities, creating[ Choose ]increased risk of heat illnesses.A toxic heavy metal which cyclesthrough atmosphere, water, and[ Choose ]soil, which contaminates ourfood supply.A nutrient that is depleting from[ Choose ]crops like rice due to elevatedcarbon dioxide levels.<> A fossil fuel[ Choose[ Choose ]The gas produced by cows thatcontributes to global warmingrecyclingrenewable energyThe process of converting wasteurban heat island effectinto reusable materialmercuryA metropolitan area that issignificantly warmer than itscoalmethanesurrounding rural areas due tohuman activities, creatingcarbon dioxideincreased risk of heat illnesses.zincA toxic heavy metal which cyclesthrough atmosphere, water, and[ Choose ]soil, which contaminates ourfood supply.A nutrient that is depleting from[ Choose ]crops like rice due to elevatedcarbon dioxide levels.

A fossil fuel is coal which are non renewable formed from prehistoric events. The gas produced by…

A fossil fuel [Choose ] The gas produced by cows that contributes to global warming [ Choose ] The process of converting waste [ Choose ] into reusable material A metropolitan area that is significantly warmer than its [ Choose ] surrounding rural areas due to human activities, creating increased risk of heat illnesses. A toxic heavy metal which cycles [ Choose ] through atmosphere, water, and soil, which contaminates our food supply. A nutrient that is depleting from [ Choose ] crops like rice due to elevated carbon dioxide levels. > >

A fossil fuel [Choose ] The gas produced by cows that contributes to global warming [ Choose ] The process of converting waste [ Choose ] into reusable material A metropolitan area that is significantly warmer than its [ Choose ] surrounding rural areas due to human activities, creating increased risk of heat illnesses. A toxic heavy metal which cycles [ Choose ] through atmosphere, water, and soil, which contaminates our food supply. A nutrient that is depleting from [ Choose ] crops like rice due to elevated carbon dioxide levels. > >

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter57: Biological Diversity And Conservation Biology

Section: Chapter Questions

Problem 8TYU

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The burning of fossil fuels releases CO2 into the atmosphereand is detrimental to the Earth’s ecosystems. Explain whythe use of biofuels, which also release CO2, is an improvement over fossil fuels.
Scientists at the Global Footprint Network calculate the energycomponent of our ecological footprint by estimating the amountof ecologically productive land and sea required to absorb thecarbon released from fossil fuel combustion. This translates into4.9 ha of the average American’s 7.2-ha ecological footprint.Another way to think about our footprint, however, is to estimatehow much land would be needed to grow biomass with anenergy content equal to that of the fossil fuel we burn.Assume that you are an average American who burns about6.3 metric tons of oil-equivalent in fossil fuels each year andthat average terrestrial net primary productivity (p. 32) can beexpressedas 0.0037 metric tons/ha/year. Calculate how manyhectares of land it would take to supply our fuel use by presentdayphotosynthetic production. Compare the energy component of your ecological footprintcalculated in this way with the 4.9 ha calculated usingthe method of the Global Footprint Network. Explainwhy results from…
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