Ozone can be created by all of the following processes EXCEPT
A. lightning during thunderstorms.
B. sunlight acting on hydrocarbons.
C. UV-C radiation in stratosphere.
D. scattering by UVB and UVC radiation.
Answer: D
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Why are ion-dipole attractions stronger than dipole-dipole attractions?
A. The chemical bond in an ion-dipole molecule is similar also a covalent bond. B. Dipole areas are subject to changing from positive to negative regions on the molecule. C. The magnitude of the electric charge associated with an ion is much greater. D. Like charge (dipole) does not attract like charge (another dipole.)
Trenches are often the originators of large earthquakes and tsunamis
Indicate whether the statement is true or false
The best thermometer to use where temperatures drop below -39°C (-38.2°F) is
A) a mercury thermometer. B) a barometric thermometer. C) an alcohol thermometer. D) a bulb mounted in direct sunshine.
What causes liquefaction to take place?
A. Surface rupture on a fault B. Fires ignited by downed power lines C. Ground shaking D. Tsunamis