Author Question: Why is Saturn's moon Titan able to retain an atmosphere?..... a. Titan only contains light gases ... (Read 92 times)

james

  • Hero Member
  • *****
  • Posts: 573
Why is Saturn's moon Titan able to retain an atmosphere?.....
 
  a. Titan only contains light gases which are easy to retain.
  b. Titan has a large enough mass and is cold enough.
  c. Titan is biologically active.
  d. It is so close to Saturn that Saturn's gravity retains Titan's atmosphere.

Question 2

An open universe
 
  a. has a negative curvature.
  b. has zero curvature.
  c. has a positive curvature.
  d. is finite.
  e. has a center.



amit

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library