Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 46, Problem 15SQ
Summary Introduction
To match: The given terms with their appropriate descriptions.
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The recent increase in atmospheric CO2 concentration is mainly a result of an increase in a. plant growth. b. the absorption of heat radiating from Earth. c. the burning of fossil fuels and wood. d. cellular respiration by the increasing human population.
Which of the following is not a fossil fuel?
a.
natural gas
b.
coal
c.
wood
d.
petroleum
At a time before life existed on Earth, our planet's atmosphere contained extremely little or no
Question 2 options:
a)
nitrogen gases
b)
water vapor
c)
carbon dioxide
d)
gaseous oxygen
e)
noxious gases
Chapter 46 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 46 - Changes in the Air To assess the impact of human...Ch. 46 - Prob. 2DAACh. 46 - Prob. 3DAACh. 46 - Prob. 4DAACh. 46 - In most ecosystems, the primary producers use...Ch. 46 - Organisms at the lowest trophic level in a...Ch. 46 - Prob. 3SQCh. 46 - Prob. 4SQCh. 46 - Efficiency of energy transfers in aquatic...Ch. 46 - Prob. 6SQ
Ch. 46 - Earths largest carbon reservoir is _______. a. the...Ch. 46 - Prob. 8SQCh. 46 - Prob. 9SQCh. 46 - The _____ cycle is a sedimentary cycle. a....Ch. 46 - Earths largest phosphorus reservoir is _______. a....Ch. 46 - Prob. 12SQCh. 46 - Nitrogen fixation converts _______ to _______. a....Ch. 46 - Prob. 14SQCh. 46 - Prob. 15SQCh. 46 - Where does your drinking water come from? An...Ch. 46 - Scientists study bubbles trapped in ancient...Ch. 46 - Nitrogen-fixing bacteria live throughout the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- If there are many greenhouse gases, why is only carbon dioxide considered a cause of global warming?a. The other gases do not cause global warming.b. It isn’t. Scientists are concerned about other causes; for example, release of methane from melting permafrost could have significant effects on global warming.c. Other gases occur in such low quantities that they have little effect on the climate.d. Carbon dioxide is the only gas that absorbs long-wavelength infrared radiation.arrow_forwardThe main cause of the increase in the amount of CO2 in Earth’satmosphere over the past 150 years is(A) increased worldwide primary production.(B) increased worldwide standing crop.(C) an increase in the amount of infrared radiation absorbedby the atmosphere.(D) the burning of larger amounts of wood and fossil fuelsarrow_forwardEarth’s largest carbon reservoir is______ . a. the atmosphere c. seawater b. sediments and rocks d. living organismsarrow_forward
- We learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution tooarrow_forwardWhich of the following is True about ocean ecosystems?a. Surface waters typically have abundant sunlight but lowlevels of nutrients.b. Because there isn’t enough sunlight for photosynthesis,deep waters typically have no life.c. Surface waters in the open ocean have the highestproductivity.d. Life near hydrothermal vents relies on photosynthesisfor energy.arrow_forwardWhich of the following natural forces is responsible for the release of carbon dioxide and other atmospheric gases? a. the Milankovitch cycles b. volcanoes c. solar intensity d. burning of fossil fuelsarrow_forward
- Which of the following statements about the carbon dioxide emitted to the atmosphere by human activities each year is most accurate? a. About half of it remains in the atmosphere and the other half is split equally between uptake by the oceans and vegetation. b. Nearly all of it remains in the atmosphere. c. About half of it dissolves in the oceans. d. On an annual basis, human-caused emissions of carbon dioxide are small compared to volcanic emissions. e. Human-caused emission of carbon dioxide is much greater than that emitted by respiration of all plants, animals, and microorganisms.arrow_forwardwhich is the currently CO2 content of Earth'satmosphere is approximatelyA. 1%.B. 20%.C. 25 ppm.D. 330 ppm.E. 600 ppm.arrow_forwardImagine that humans have significantly reduced the amount of greenhouse gas emissions on Earth, but the planet is still warming due to past emissions. How might solar radiation management be implemented to rapidly cool the planet and prevent further impacts of climate change? a. aerosols can be removed from clouds to decrease the amount of cloud condensation nuclei b. sulfur dioxide can be injected into the stratosphere to decrease albedo c. sulfur dioxide can be injected into the atmosphere to increase albedo d. shipping can be regulated to reduce the cloud condensation nuclei of ship tracksarrow_forward
- Carbon is present in the atmosphere as ________. a. carbon dioxide b. carbonate ion c. carbon dust d. carbon monoxidearrow_forwardChanges in the Air To assess the impact of human activity on the carbon dioxide level in Earth's atmosphere, it helps to take a long view. One useful data set comes from deep core samples of Antarctic ice. The oldest ice core that has been fully analyzed dates back a bit more than 400,000 years. Air bubbles trapped in the ice provide information about the gas content in Earth's atmosphere at the time the ice formed. Combining ice core data with more recent direct measurements of atmospheric carbon dioxideas in FIGURE 46.20can help scientists put current changes in the atmospheric carbon dioxide into historical perspective. FIGURE 46.20 Changes in atmospheric carbon dioxide levels (in parts per million). Direct measurements began in 1980. Earlier data are based on ice cores. 4. Was the rise in the carbon dioxide level between 1800 and 1975 larger or smaller than the rise between 1980 and 2013?arrow_forward
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