The importers and the los angeles residents would likely agree that a) the return of the smog is linked to the burning of fossil fuels. b) the rise in number of both incoming and outgoing airplanes and ships. c) hot summers, which lead to increased use of air conditioning, is the root of the problem. d) increased use farm equipment, power generators, and train engines are responsible for the return of the smog.

The answer is A. The return of the smog is linked to the burning of fossil fuels.

Explanation:

Smog is a condition of air pollution where the smoke is mixed with the Fog. The main reason for increasing smog is burning of fossil fuel like coal and petroleum. Smog is clearly visible and contain toxic compounds like sulfur oxide and nitrogen oxide and other particles. Smog not only cause problem for vision it also cause serious respiratory problems like asthma.  

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meiosis is the correct answer