This topic contains a solution. Click here to go to the answer

Author Question: What is meant by the term octane rating? A) the degree of branching in the carbon framework B) ... (Read 75 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

A

Answer to Question 2

B



Bernana

  • Hero Member
  • *****
  • Posts: 530
Both answers were spot on, thank you once again



kjo;oj

  • Sr. Member
  • ****
  • Posts: 328

 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library