If sunlight were green instead of white, the most comfortable color to wear on a hot day would be
A. green.
B. yellow.
C. violet.
D. magenta.
E. blue.
Answer: A
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ArcGIS offers different algorithms for calculating flow direction including D8 and D?.
Answer the following statement true (T) or false (F)
How does ingested methanol lead to the damaging of a person's eyes?
A. The methanol, once in the eyes, forms a crystalline precipitate that accumulates within the retina. B. Eye tissues are soluble in methanol. C. Methanol is very volatile. When brought close to the eyes, its vapors can harm the eyes. D. The methanol is metabolized into formaldehyde, which is toxic to most living tissue.
At room temperature, which combination of reactants is commonly used to synthesize amides?
A) an amine and an anhydride B) an amine and an alcohol C) an amine and a carboxylic acid D) None of these, amides cannot be synthesized at room temperature.
How many diatomic molecules are represented in the illustration above?
A. 1 B. 2 C. 3 D. 4