Which of the following is the main form of intermolecular attractions among water molecules?
A. induced dipole-induced dipole
B. polar-induced polar
C. covalent bonding
D. ion-dipole
E. hydrogen bonding
Answer: E
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Which two human activities are largely responsible for the observed atmospheric warming?
A. burning of fossil fuels and clearing of forest land B. burning of fossil fuels and growth of urban areas C. burning of rainforests and loss of ice in the Arctic D. cigarette smoking and the explosion of airline travel
Major issues related to monoculture agriculture include loss of genetic diversity, high use of pesticides, dependence on fertilizer.
Answer the following statement true (T) or false (F)
To which group do the tuna, salmon, and swordfish belong?
A. Plankton B. Nekton C. Intertidal D. Benthos E. Photon
During the June solstice, the circle of illumination completely shades out.
A. points north of the Arctic Circle but completely illuminates points south of the Antarctic Circle. B. points south of the Arctic Circle but completely illuminates points north of the Antarctic Circle. C. points south of the Antarctic Circle but completely illuminates points north of the Arctic Circle. D. points north of the Antarctic Circle but completely illuminates points south of the Arctic Circle.