Which of the following is a correct IUPAC name?

A) 2-ethyl-3-methylpentane
B) 2,2-dimethylpentane
C) 2,2-diethylpentane
D) all of them


B

Environmental & Atmospheric Sciences

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"Carbon dioxide plays a vital role in dissolving and precipitation of rocks in the formation of karst topography." Evaluate this statement

A) It is false. The statement should read sulfur dioxide, not carbon dioxide. B) It is partially true. Carbon dioxide does form acid to aid in dissolving limestone but has nothing to do with precipitation of rocks. C) It is false. Carbon dioxide does dissolve in water to form acid, but only at the surface where water is exposed to air. D) It is true. Carbon dioxide plays a vital role in these processes.

Environmental & Atmospheric Sciences

________ have the most dynamic and changeable day-to-day weather on Earth

A) Tropical latitudes B) Latitudes affected by fronts C) Polar latitudes D) Latitudes affected by hurricanes E) Air mass source regions

Environmental & Atmospheric Sciences

Under an evolutionary classification system, species are grouped together based on

A. their position from "simple" to "complex." B. alphabetical order. C. shared similarities. D. how closely they are related to one another.

Environmental & Atmospheric Sciences

If MTBE (methyl tert-butyl ether) has such an impact on groundwater, why is it added to gasoline?

A) it helps decrease auto air pollutant emissions B) it helps to dissolve other gasoline components if they enter the groundwater system C) it burns much cleaner than other gasoline additives D) it helps lubricate car engines

Environmental & Atmospheric Sciences