Cloud droplets and ________, which are small particles suspended in the atmosphere, together reflect around 23% of the incident solar radiation back to space.
A. atmospheric aerosols
B. dust
C. combustion products
D. volcanic emissions
Answer: A
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What is the rank these food production systems in order of proportion of the world's food supplied from biggest to smallest?
A. cropland, rangeland, and fisheries B. rangeland, cropland, and fisheries C. fisheries, rangeland, and cropland D. cropland, fisheries, and rangeland E. rangeland, fisheries, and cropland
What is an argument against the use of full-cost pricing?
A. Producers of harmful products would have to charge more. B. Environmental costs are minimally important. C. The difference between market- and full-cost pricing is minimal. D. Full-cost pricing method has consistently failed in the past. E. Some businesses use political and economic power to retain government assistance.
One significant difference between an ionic bond, where electrons are taken from one atom and added to another atom, and a covalent or metallic bond, where electrons are shared, is ________
A) ionic bonds make a material more malleable than covalent and metallic bonds B) ionic bonds are stronger than covalent or metallic bonds C) ionic bonds produce ions but covalent and metallic bonds do not produce ions D) ionic bonds do not result in the attraction of oppositely charged atoms, but covalent and metallic bonds do
When a river reaches the ocean, the velocity increases and sediment deposition decreases.
a. true b. false