Which emits radiation of the highest frequency?

A. The Sun.
B. A blue-hot star.
C. A red-hot star.
D. all the same


Answer: B

Environmental & Atmospheric Sciences

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Referring to the figure below, what will be the impact of evaporating precipitation beneath a thunderstorm on the downdraft? ?

A. It will weaken it. B. It will weaken it at first and then strengthen it. C. It will strengthen it at first and then weaken it. D. It will strengthen it.

Environmental & Atmospheric Sciences

Air masses that form over northern Siberia are most likely to be ________ air masses

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

An individual raindrop consists of approximately ________ moisture droplets

A) 20 B) 2000 C) 1 million D) 1 trillion

Environmental & Atmospheric Sciences

What is the key process that sequesters atmospheric carbon dioxide?

A. Formation of carbonate sedimentary rocks B. Formation of coal deposits C. Absorption by land plants D. Absorption by volcanic gases

Environmental & Atmospheric Sciences