The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel
a. True
b. False
ANSWER: True
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Geothermal energy can be used for which of the following?
A. heating space, producing electricity, and cooling space B. producing electricity, transportation fuel, and heating space C. transportation fuel, producing high-temperature heat for industry, and heating space D. producing high-temperature heat for industry, cooling space, and transportation fuel E. heating space, transportation fuel, and cooling space
What is the origin of most abyssal plain sediments?
a. Deep-ocean basalt b. Biological activity c. New crust development d. Erosion from the continent
Rachel Carson was viewed as credible by the scientific community mostly because of her
A) political connections with the Nixon administration. B) key role in the establishment of the EPA. C) funding from the companies that produced and distributed DDT. D) meticulous documentation of the findings reported in her book.
Toxicologists designate particularly long-lived and widely dispersed organic chemicals as persistent organic pollutants (POPs). Which of the following chemicals are in this category?
A) PCB B) cadmium C) U235 D) carbon monoxide E) lead