The greenish blue of water is evidence of the
A) reflection of greenish-blue light.
B) reflection of red light.
C) absorption of greenish-blue light.
D) absorption of red light.
E) interaction between green and blue frequencies of light.
D
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What is the name of the acid which dissociates to give the nitrite ion, NO2-?
A) hydronitric acid B) nitric acid C) nitritic acid D) nitrous acid
The two principal climate variables in the weathering process are water and _______________
Fill in the blank(s) with correct word
Which of the three labeled locations on the topographic map above has the highest risk of mass wasting? (Numbers represent elevation in meters above sea level.)
A. A B. B C. C D. All three locations are at equal risk.
What about desert streams makes it inadvisable to camp in a dry stream channel in a desert region?
What will be an ideal response?