Which of the following gives the correct order for the frequencies of portions of the electromagnetic spectrum?
A) radio > infrared > ultraviolet
B) radio > ultraviolet > infrared
C) ultraviolet > infrared > radio
D) ultraviolet > radio > infrared
C
Environmental & Atmospheric Sciences
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Energy absorbed at the Earth's surface is radiated back to space in the form of
A. Insolation B. Infrared radiation (heat) C. Microwaves D. Visible light E. Ultraviolet radiation
Environmental & Atmospheric Sciences
According to the following reaction, which molecule is acting as a base?H2O + NH3 ? OH- + NH4+
A.
| H2O |
B. NH3
C. OH-
D.
| NH4+ |
E. none of the above
Environmental & Atmospheric Sciences
Capitalism was primarily organized through the power of the state
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The refraction of sound normally occurs in
A. air. B. water. C. both of these D. none of the above
Environmental & Atmospheric Sciences