Author Question: Inferring cloud properties using carbon-monoxide: At the low temperatures of molecular clouds, ... (Read 81 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
Inferring cloud properties using carbon-monoxide: At the low temperatures of molecular clouds, carbon monoxide emits radio light more strongly than does molecular hydrogen.
 
  What assumptions must be made to then use observations of carbon monoxide to infer the properties of the cloud as a whole?

Question 2

The ancient Greeks get a lot of attention for their contributions to science because ________.
 
  A) they were the only ancient culture that kept written records of their astronomical observations
  B) they were the first people to realize that Earth is a planet orbiting the Sun
  C) they were the first people known to try to explain nature with models based on reason and mathematics, without resort to the supernatural
  D) the books of every other culture were lost in the destruction of the library of Alexandria



Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

The hydrogen-to-CO ratio must be assumed, as well as assuming that the two molecules are well mixed.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Jramos095

  • Hero Member
  • *****
  • Posts: 528
Both answers were spot on, thank you once again




 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

For a complete list of videos, visit our video library