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Author Question: What is meant by the term octane rating? A) the degree of branching in the carbon framework B) ... (Read 102 times)

Bernana

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on: Aug 27, 2018
What is meant by the term octane rating?
 
  A) the degree of branching in the carbon framework
  B) the degree at which the compound ignites
  C) the percentage of octane in the mixture
  D) a measure of how many degrees it takes to ignite a mixture of octane
  E) none of the above

Question 2

Why are polar oceans most fertile in the autumn?
 
  A) The warm summer temperatures allowed for the growth of many microorganisms in the water.
  B) As the oxygen rich surface waters cool in the autumn, they sink to the bottom, displacing the layer of decomposing organic matter, forcing it to rise, adding nutrients to the surface of the polar oceans.
  C) The salinity of the ocean is at a low point at that time of year.
  D) Ocean currents tend to reverse during the autumn, bringing nutrient rich waters up from the equatorial regions.


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kjo;oj

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Bernana

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


kjo;oj

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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