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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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
The refraction of sound normally occurs in
A. air. B. water. C. both of these D. 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
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