A parcel of air, with less than 100% relative humidity, that is rising because of heat energy derived from the surface is

A) stable.
B) unstable.
C) conditionally unstable.


B

Environmental & Atmospheric Sciences

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Two billiard balls having the same mass roll toward each other, each moving at the same speed. What is the combined momentum of the two balls?

A) 0 kg ? m/s B) 10 kg ? m/s C) more information needed to determine

Environmental & Atmospheric Sciences

Ethiopia and Eritrea adopted which form of Christianity?

A) Protestantism B) Evangelical Christianity C) Roman Catholicism D) Orthodox Christianity E) Coptic Christianity

Environmental & Atmospheric Sciences

Most of the energy captured by photosynthesis is stored in chemical bonds in

A) glucose. B) oxygen. C) carbon dioxide. D) water.

Environmental & Atmospheric Sciences

On a given stream, small floods happen ________.

A. more often than large floods B. sometimes more often, sometimes less often than large floods, depending on long-term climate C. less often than large floods, which explains why we hear about large floods more often in the news D. with the same frequency as large floods

Environmental & Atmospheric Sciences