Which greenhouse gas is most abundant naturally?

A) nitrous oxide
B) methane
C) water vapor
D) carbon dioxide
E) trace gases


C

Environmental & Atmospheric Sciences

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Most rock outcrops (about 75% of the total) are ________

A) igneous B) sedimentary C) metamorphic D) fossil-bearing

Environmental & Atmospheric Sciences

Regularly providing food to regions with chronic hunger in developing countries can aggravate the problem of food supplies by

A) changing the types of native foods consumed by the local people. B) causing nutritional deficiencies associated with a new type of food. C) causing overnourishment and the health problems associated with obesity. D) decreasing the local production of food and disrupting the local economy.

Environmental & Atmospheric Sciences

During the dissipating stage of a thunderstorm, the downdraft is stronger than the updraft

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

At sea level, the pressure of the atmosphere is about ________ kg/cm2, or ________ ln/in2

A) 1.0; 14.7 B) 2.6; 9.4 C) 8.2; 3.3 D) 6.7; 19.9

Environmental & Atmospheric Sciences