Which of the following compounds would least likely act as an acid?
A. H2SO4
B. HSO4-1
C. NH3
D. CH3CO2H
E. SO4-2
Answer: E
Environmental & Atmospheric Sciences
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Two identical billiard balls roll toward each other with equal speeds. The net momentum of the two-ball system is
A. 10 kg?m/s. B. 0 kg?m/s. C. between 0 and 10 kg?m/s. D. not enough information
Environmental & Atmospheric Sciences
These lines run east-west around the globe and are used to locate places north and south of the equator
A) meridians and longitude B) meridians C) longitude D) Prime Meridians E) parallels
Environmental & Atmospheric Sciences
A mineral that has two prominent directions of cleavage that form angles of 56 and 124 degrees with each other is:
a. orthoclase feldspar b. augite (pyroxene) c. hornblende d. galena
Environmental & Atmospheric Sciences
Which of the following regions has the highest population density?
A) South Asia
B) Australia
C) Russia
D) Africa
E) North America
Environmental & Atmospheric Sciences