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Author Question: Replacing manual transmissions by automatic transmissions will increase gas mileage. What will be ... (Read 251 times)

tichca

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Replacing manual transmissions by automatic transmissions will increase gas mileage.
 
  What will be an ideal response?

Question 2

Why should the smallest particulates cause the greatest health problems? Explain.
 
  What will be an ideal response?



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anoriega3

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Answer to Question 1

This depends on the sort of transmission. Until the last few years, it was still
possible to get better mileage from a stick shift car. The development of continuous torque
transmissions has evened the playing field and given some advantage to the automatic
transmission.

Answer to Question 2

These particles are much smaller than the salt particles near the sea and typical
dust particles to which our ancestors were exposed. This means that humans have no
evolutionary defense mechanisms for such tiny particles, and they can travel unimpeded into
the lungs and form loci that can lead to lung disease.





 

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