Which of the following is a natural source of air pollution?
a. dust blown by wind
b. Wildfires
c. Volcanoes
d. volatile organic chemicals released by some plants
e. all of these answers
E
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The energy of a charged particle due to location is called
A. potential. B. potential energy. C. both are the same D. none of the above
Electron-dot structures are not so important for understanding
A. covalent bonds.
B. metallic bonds.
C.
| ionic bonds. |
D. polar covalent bonds.
Traditional suburban development does not
A. Consist of only house lots and streets B. Facilitate social interactions among neighbors C. Consume agricultural land and wildlife habitat D. Typically consist of identical parcels of land without open space E. All of these are characteristics of traditional suburban development
At a mid-oceanic ridge spreading center:a
the plates are moving past each other. b. the plates are moving away from each other. c. the plates are moving toward each other. d. one plate is being subducted beneath another. e. both plates are being subducted