A coning shape exhibited by a smokestack plume is indicative of what type of condition(s)?

A coning shape exhibited by a smokestack plume is indicative of what type of condition(s)?
   a. inversion only
   b. stable only
   c. neutral only
   d. unstable only
   e. both inversion and stable

Q. 2

A fanning shape exhibited by a smokestack plume is indicative of ____ conditions.
   a. inversion
   b. stable
   c. neutral
   d. unstable
   e. both inversion and stable

Q. 3

A looping shape exhibited by a smokestack plume is indicative of ____ conditions.
   a. inversion
   b. stable
   c. neutral
   d. unstable
   e. both inversion and stable

Q. 4

Polar stratospheric clouds are thought to contribute to the problem of ____.
   a. global warming
   b. ozone destruction
   c. acid rain
   d. photochemical smog
   e. radio wave interference

Q. 5

The cost of damage to building surfaces, monuments, and other structures caused by acid deposition is estimated to run into the ____ of dollars each year.
   a. thousands
   b. hundreds of thousands
   c. millions
   d. billions
   e. trillions

Q. 6

To help reduce emissions that lead to acid precipitation, the United States implemented ____ by which companies that reduced their emissions could sell allowances to other companies that had yet to do so.
   a. the Montreal Protocol
   b. the Kyoto Protocol
   c. the AQI
   d. a cap and trade system
   e. carbon offset program