Author Question: The atmosphere of Titan is composed mostly of A) oxygen. B) methane. C) carbon dioxide. D) ... (Read 48 times)

notis

  • Hero Member
  • *****
  • Posts: 596
The atmosphere of Titan is composed mostly of
 
  A) oxygen.
  B) methane.
  C) carbon dioxide.
  D) hydrogen.
  E) nitrogen.

Question 2

What is the typical main sequence lifetime of an M-type star?
 
  A) one million years
  B) ten million years
  C) one billion years
  D) ten billion years
  E) a trillion years



pikon

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

E

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library