Current scientific knowledge indicates that the most likely origin of most of Earth's oceans was due to ________
A) comets from outer space
B) release of liquid water from the core
C) water vapor released from volcanic outgassing
D) water-bearing minerals found in meteorites
C
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The text cites the case of the explosion of the AZF fertilizer factory in Toulouse, France which damaged 27,000 homes to make which theoretical point?
a) In the words of environmental sociologist David Pellow, that environmental inequality is a “sociohistorical process” rather than simply a “discrete event.” b) To raise the frequently posed question: did the plant target the area where the disadvantaged live, or did the disadvantaged move in after it was built? c) That corporate culpability is hard to trace. d) All of the above.
A bond angle of 180° is associated with the carbons in which functional group?
A) alkanes B) alkenes C) alkynes D) arenes
Which of the following is true of mRNA?
A) It is of fixed size, 750 nucleotides. B) It is of fixed size, 75 nucleotides. C) It is of variable size, average of about 750 nucleotides. D) It is of variable size, average of about 75 nucleotides.
The proportion of people living in urban areas in the last 30 years has increased in
A. North America, South America, and Asia. B. all continents but Europe and Africa. C. all continents. D. all continents but Africa.