On a color TV screen, red, green, and blue spots of fluorescent materials are illuminated at a variety of relative intensities to produce a full spectrum of colors. What spots are activated to produce yellow? Red? Magenta? White?
What will be an ideal response?
Yellow is produced by simultaneously activating red and green; red is activated by red only; magenta by red and blue, and white by all three primaries.
Environmental & Atmospheric Sciences
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In an electric circuit, the safety fuse is connected to the circuit in
A) series. B) parallel.
Environmental & Atmospheric Sciences
The majority of atmospheric ozone (about 97%) is found in the ____
A) thermosphere B) mesosphere C) stratosphere D) exosphere
Environmental & Atmospheric Sciences
The majority of earthquakes and volcanic activity occur along plate boundaries
a. True b. False
Environmental & Atmospheric Sciences
The percent by volume of which of the following gases has the greatest variability?
A) oxygen B) argon C) nitrogen D) water vapor E) carbon dioxide
Environmental & Atmospheric Sciences