The sulfur dioxide from a violent volcanic eruption does all of the following, except
A) remain in the atmosphere for at least a year.
B) stay in the middle to upper layers of the troposphere.
C) transform into sulfuric acid.
D) increase the amount of sunlight reflected back to space.
E) help cool the atmosphere.
B
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Diorite and andesite are composed of similar amounts of feldspars and ferromagnesian minerals.
Answer the following statement true (T) or false (F)
Which of the following describes the types of compounds produced when an anhydride reacts with an alcohol?
A) only a carboxylic acid B) only an ester C) a carboxylic acid and an ester D) None of these, anhydrides do not react with alcohols.
According to Graph ?, between which two temperatures does the number
of tropical cyclones in the Northern (Jun – Sep) and Southern (Dec – Mar) Hemispheres begin to increase signifi cantly? What will be an ideal response?
Arête, horn, cirque, are features observed as a result of
A. glacial accumulation. B. glacial erosion. C. glacial deposition. D. glacial ablation.