For blue Suns to appear, the size of the suspended particles must be ____
a. shorter than infrared wavelengths
b. similar to ultraviolet wavelengths
c. shorter than the primary wavelengths of visible light
d. similar to the primary wavelengths of visible light
e. similar to the primary wavelengths of visible light
ANSWER: d
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Which of the following are ways that individuals can support sustainable agriculture through their choices and behaviors?
a. waste less food b. eat locally grown food and meat c. waste less food and compost food wastes d. waste less food, eat less meat, compost food wastes and eat locally grown food e. use a drip system for watering in your own garden
________ systems are characterized by hot water circulation
Fill in the blank(s) with correct word
The tiniest channels are called ____________________
Fill in the blank(s) with correct word
The Challenger Expedition circumnavigated the world.
a. true b. false