Since the early 1800s, the concentration of atmospheric carbon has increased from 200 parts per million to more than 400 parts permillion today. You are brainstorming with friends about the best solutions for solving this problem. Rank their ideas in terms ofpredicted effectiveness in the area below:Items (6 items) (Drag and drop into the appropriate area below)Plant trees.IncreaseEliminate allSeed the oceansEliminate the useSwitch fromof wind power.incentives to buyelectric-poweredforms of masswithbuyinggeneticallytransportation(jets, trains,buses).photosyntheticvehicles.bacteria.modifiedorganism veggiesto buyingorganic.CategoriesMost Likely to SucceedWon't Make a DifferenceWill Make Things WorseDrag and drop hereDrag and drop hereDrag and drop here

Carbon emission contributes majorly to the greenhouse effect of the earth. Atmospheric carbon…

Answered: Since the early 1800s, the…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter44: Ecology And The Biosphere

Section: Chapter Questions

Problem 5RQ: The study of nutrient cycling though the environment is an example of which of the following?...

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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…
A family travels from New York City to Costa Rica three times a year for a vacation. The family would like to purchase some forested land in the Catskills, keeping the trees intact as an offset to the carbon dioxide they produce travelling each year. How much forest must they purchase? Use the following assumptions to measure the carbon offset provided by this intact forest. • The biomass of the forest increases at an annual rate of 2.8 × 105 kg/ha. • The forest biomass is 45% carbon by mass. • There are four people in the family. • 0.2 kg of CO2 is produced each mile per person on the flight. • The round-trip distance is 4,500 miles. • There are 2.47 acres in one hectare. 1. Calculate the mass of carbon, in kilograms, that is accumulated and stored in 1.0 ha of this forest in one year. 2. Calculate the mass of carbon, in kilograms, that is emitted by the family as a result of their round-trip flights to Costa Rica each year. 3. Calculate the number of acres of forest that must be…
Consider 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.
What is the difference in the behavior of matter and energy in ecosystems? Group of answer choices a. energy is necessary for ecosystems while matter is not b. energy enters and leaves continuously and matter does not c. matters enters and leave continuously and energy does not d. both move through ecosystems in similar ways (no difference) e. energy can only be captured by bacteria with special properties
You are designing an artificial ecosystem. Which of the following things should you do if you want to mimic a real ecosystem? All below refer to what you should do AFTER the ecosystem is started (i.e. NOT what you need to do at the start but what you need to do to keep it going). 1. Input energy regularly 2. Allow heat to escape 3. Remove matter regularly 4. Add matter regularly Group of answer choices a. 3, 4 b. 1. 4 c. 1, 2 d. 2, 3
In 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 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
Which of the following is NOT one of the principal factors that sustains life on earth? - the earth's volcanic activity. - gravity that holds the earth’s atmosphere close to the surface of the planet. - nutrient cycling through living and non-living components of ecosystems. - a layer of greenhouse gases (CO2, CH4, N2O, H2O) in the troposphere. - one-way flow of high quality energy from the sun through living things to space. Thank you for answering!
What is global warming? How does the burning of fossil fuels contribute to global warming? Explain the important consequences of global warming.? Note: you write research sources
Do you think biofuels will help mitigate climate change? Support your opinion with appropriate reasoning.
Carbon is released from organisms as part of cellular respiration. If the organism lives on land, what part of the biosphere is the carbon released into? stratosphere hydrosphere atmosphere lithosphere
estimate the total primary production in the oceans (in million metric tons carbon) using the following information - 92% of oceans are open ocen with an average productivity of 125 gC/m2/yr - 8% of the oceans are coastal, with an average productivity of 2,000 gC/m2/yr - remember a metric ton is 1,000 Kg

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