Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 48, Problem 7SQ
Summary Introduction
Introduction: The ozone shield that is present in the Earth’s stratosphere absorbs most of the ultraviolet radiation. At this layer, the concentration of ozone (O3) is high when compared to the other regions of the atmosphere. There are some toxic gases that affect the ozone layer. When this gases rise upwards, they are exposed to the UV light leading to a
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Choose the letter of the correct answer:
1.) The main causative agent of ozone depletion is _______
a. mercury
b. lead
c. radioactive wastes
d. nuclear power plant
2.) Ozone is the protection of living organisms against _______
a. ozone
b. oxygen gas
c. stratosphere
d. none of these
3.) Forest type present in the Philippines ______
a. CFCs
b. NO2
c. SO2
d.SO3
UV radiation forms and de-forms ozone naturally.
a. true
b. false
Which type of UV radiation does the ozone block the most of?
a. UV-B radiation
b. UV-A radiation
c. All UV radiation
d. UV-C radiation
Chapter 48 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- Unequal evaporation of seawater results in _________________________. a. droughts b. neither c. both d. floodingarrow_forwardAll other factors being held constant, increased carbon dioxide increases plant biomass; this is ____. At high temperatures (35C) C4 plants will respond more favorably to increased carbon dioxide compared to C3 plants; this is ____. Select one: a. true, false b. true, true c. false, false d. false, truearrow_forwardThe picture shows lines of latitude on Earth. NORTH POLE 90° 1806 ASIA 70° 60° NORTH AMERICA CEUROPE 50 40 ATLANTIC OCEAN AFRICA 30 20° 10° EQUATOR -10° SOUTH AMERICA -20° -30° 40°arrow_forward
- Ocean acidification impacts __________________________. a. fishes b. marine ecosystems c. organisms with a calcium shell d. all ecosystemsarrow_forwardS.1. Plant Organics produced gas. S.2. In shallow and moderate temperature hydrocarbon produced was gas. a. Statements 1 and 2 are both correct b. Statement 1 is correct, Statement 2 is wrong c. Statement 1 is wrong, Statement 2 is correct d. Statements 1 and 2 are both wrongarrow_forwardThe nutrient that is part of carbohydrates, proteins, and nucleic acids, and that forms biomolecules, is ________. a. nitrogen b. carbon c. magnesium d. ironarrow_forward
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