The air’s moisture content can be described by measuring the pressure exerted by the water vapor in the air
a. True
b. False
ANSWER: True
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Gravitation is strongest between a 3-kg baby and
A. planet Mars. B. the 100-kg mother 0.25 m away. C. both about the same D. need more information
The most common type of Archean rock on the Earth’s surface is the greenstone belt. Indicate whether the statement is true or false
The woman violated several federal laws and international treaties by making and attempting to sell dream catchers that contained feathers from bald eagles and other species of protected birds such as goshawks and snowy owls
How do such federal laws and international treaties differ in how they are adopted in the United States? A) The House and Senate approve federal laws with a simple majority vote, while international treaties require approval of only the president. B) They differ in their authorship but not approval in that both the House and Senate need to approve both by a simple majority vote. C) Federal laws need majority approval in both the House and Senate, while international treaties require two-thirds approval in the Senate. D) Federal laws need two-thirds approval in both the House and Senate, while international treaties require a simple majority vote in the House and Senate. When legislators consider passing policies to control pollution, they must consider the potential economic impacts of the policies. The legislators are given the information shown in the figure.
Waxes belong to which class of compounds?
A) alcohols B) carboxylic acids C) esters D) ethers