Inferring cloud properties using carbon-monoxide: At the low ...

[Jramos095]

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]

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

[Jramos095]

Both answers were spot on, thank you once again

[Silverbeard98]

Great! Please up vote