Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 43, Problem 7TYU
DRAW IT (a) Estimate the average CO2 concentration in 1975 and in 2012 using the data provided in Figure 43.25. (b) On average, how rapidly did CO2 concentrations increase (ppm/yr) from 1975 to 2012? (c) Estimate the approximate CO2 concentration in 2100, assuming that the CO2 concentration continues to rise as fast as it did from 1975 to 2012. (d) Draw a graph of average CO2 concentration from 1975 to 2012 and then use a dashed line to extend the graph to the year 2100. (e) Identify the ecological factors and human decisions that might influence the actual rise in CO2 concentration. (f) Discuss how additional scientific data could help societies predict this value.
Figure 43.25 Increase in atmospheric carbon dioxide concentration at Mauna Loa, Hawaii, and average global temperatures.
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What does the term ’leakage’ mean in the context of regulating greenhouse gas emissions? and why is this important to consider?
11)
The chart below compares the greenhouse gas emissions of several fuel sources.
Greenhouse Gas Emissions of
Fuel and Energy Sources
Sugarcane
Ethanol
Cellulosic
Ethanol
Fuel >
Gasoline
Corn Ethanol
Energy >
Source
Fossil
Fuels
Biomass
Biomass
Biomass
Source: Adapted from http://energy.itgoverns.com
An accurate prediction that could be made regarding the information shown in the chart is that
A)
fossil fuels emit the least amount of greenhouse gases
the use of biomass-based fuels instead of fossil fuels will greatly decrease the production
of greenhouse gases
B)
C)
the use of any one of the ethanol sources for fuel will each produce more greenhouse
gases than the use of gasoline for fuel
D)
a total change from gasoline to ethanol as a fuel would have no effect on greenhouse gas
emissions
Greenhouse Gas
Emissions
Please help with explanation
Chapter 43 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 43.1 - Prob. 1CCCh. 43.1 - Prob. 2CCCh. 43.1 - WHAT IF? Imagine two populations of a fish...Ch. 43.2 - How does the reduced genetic diversity of small...Ch. 43.2 - Prob. 2CCCh. 43.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 43.3 - Prob. 1CCCh. 43.3 - Prob. 2CCCh. 43.3 - Prob. 3CCCh. 43.4 - How can the addition of excess mineral nutrients...
Ch. 43.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 43.5 - Prob. 1CCCh. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1CCCh. 43.6 - Prob. 2CCCh. 43.6 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 43 - One characteristic that distinguishes a population...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - DRAW IT (a) Estimate the average CO2 concentration...Ch. 43 - Prob. 8TYUCh. 43 - FOCUS ON EVOLUTION The fossil record indicates...Ch. 43 - Prob. 10TYUCh. 43 - SYNTHESIZE YOUR KNOWLEDGE Big cats, such as the...
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