Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 46, Problem 3TY
Summary Introduction
Introduction:
The greenhouse effect warms the Earth. Moreover, human activities are continuously increasing the levels of greenhouse effects. Due to this, the temperature of the Earth’s surface is increasing day by day. Right now, it is considered that the burning of fossil fuel is the reason for the increase in the greenhouse effect.
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What gas is a human-made pollutant in the lower (surface) atmosphere but a natural and beneficial gas in the stratosphere? (a) CO2 (b) CH4 (c) O3 (d) CFCs (e) N O
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.
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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.
Which 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 fuels
Chapter 46 Solutions
Principles of Biology
Ch. 46.1 - If the population pyramid in (a) was inverted,...Ch. 46.1 - Prob. 2CCCh. 46.1 - Prob. 1TYKCh. 46.1 - The total fertility rate is highest in Latin...Ch. 46.2 - Prob. 1CCCh. 46.2 - Prob. 1TYKCh. 46.2 - Prob. 2TYKCh. 46.3 - Prob. 1CCCh. 46.3 - Prob. 1BCCh. 46.3 - Prob. 1TYK
Ch. 46.3 - Prob. 2TYKCh. 46.4 - Prob. 1TYKCh. 46.5 - Prob. 1TYKCh. 46.6 - Prob. 1TYKCh. 46.6 - Prob. 2TYKCh. 46.7 - Prob. 1BCCh. 46.7 - Prob. 2BCCh. 46.7 - Prob. 1TYKCh. 46.7 - Prob. 2TYKCh. 46 - Prob. 1TYCh. 46 - Prob. 2TYCh. 46 - Prob. 3TYCh. 46 - Prob. 4TYCh. 46 - Prob. 5TYCh. 46 - Prob. 6TYCh. 46 - Prob. 7TYCh. 46 - Prob. 8TYCh. 46 - Prob. 9TYCh. 46 - Prob. 10TYCh. 46 - Prob. 1CCQCh. 46 - Prob. 2CCQCh. 46 - Prob. 3CCQCh. 46 - Prob. 1CBQCh. 46 - Prob. 2CBQ
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- Describe at least two ways that human activities are altering air quality.arrow_forwardGreenhouse gases ________. a. slow the escape of heat from Earth into space b. are produced by natural and human activities c. are at higher levels than they were 100 years ago d. all of the abovearrow_forwardWhich 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 componentarrow_forward
- About how much mercury was emitted by fossil fuel combustion in Asia? A.)340 tons B.)0 tons C.)40 tons D.)525 tonsarrow_forwardResearch the air pollutants below. Explain: what is the source of each pollutant? What is its effect on human health? What is its effect on the environment? What measure are being taken to reduce each emission the atmosphere? CO (Carbon monoxide) SO2 (Sulfur dioxide) NOX (Nitrogen Oxides) VOCs (Volatile Organic Compounds) Particulate Matter Pb (Lead)arrow_forwardWhat has changed in the world that has resulted in the drastic increase of carbon dioxide levels in the atmosphere?arrow_forward
- Why are gases such as CO2 and methane called greenhouse gases?arrow_forwardThe numbers of the bottom of the chart represents the number of years. What do you think is/are the reasons on the rise and decline of oxygen levels on earth as years go by?arrow_forwardForests take in carbon dioxide from the air, thus it is called “carbon dioxide sinks” or “carbon sinks”.- What is the use of carbon dioxide in the forests? Explain.arrow_forward
- Why has CO2 input into the atmosphere outstripped removal for the past half century?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_forwardStudy the table and graphs below. Record what you observe in the table or graph in the “What I See” column and then write what It means in the “What It Means” column. This graph shows the atmospheric CO2 levels measured at Mauna Loa observatory, Hawaii, from 2005 to 2022.arrow_forward
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