directions and are understood to have a net warming effect on the planet. These
ID: 120066 • Letter: D
Question
directions and are understood to have a net warming effect on the planet. These gases are called 20) Certain types of trace gases in Earth's atmosphere catch and then emit radiation in various a. Radiant Gases b. Ozone Gases c. Argon Gases d. Greenhouse Gases forces of wind 21) Erosion is most likely to occur when_ soil is exposed to and/or water a. Erodible, Erosive b. Weak, Summer Erosive, Erodible d. Clay, Natural 22) Which of the following present potential sustainability issues related to population and demography a. b. c. d. Global population growth related to food, energy, and water resources Local population growth in a coastal community with limited water resources Rapid population decline in a city with crumbling infrastructure All of the above 23) Use the following information to estimate the 2017 population for India. (2016 Population 1.336x10, CBR 19.3, CDR-7.3, NMR-,06, TFR-2.3) a. 1.352x10 b. 1.349x1o* c. 2.365x10 d. 1.382x10 24) At the rate of population increase indicated above, about how many years will it take for India to overtake China (population 1.375x10) as the world's most populous country if China's population does not continue to grow? b. c. d. Less than 10 years 10-20 years 20-30 years Over 30 years 25) Is the following statement True or False. "The total number of people on earth is currenthy increasing at faster and faster rates." a. True b. FalseExplanation / Answer
20) d .Greenhouse gases
The trace gases like water vapor, carbon dioxide, methane, ozone, and nitrous oxide are called as GHGs( greenhouse gases). These gases have the tendency to absorb the heat and emit it in various directions , as a result contribute to global warming.
21) a .Erodible,Erosive
Erodibility means susceptibility of soil for erosion.
Erosive means the capability to cause erosion.(like the forces of wind and water)
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