Author Question: Which condition is necessary for a planet to have a permanent liquid ocean? a. low gravity b. ... (Read 9 times)

acc299

  • Hero Member
  • *****
  • Posts: 569

Which condition is necessary for a planet to have a permanent liquid ocean?
  a. low gravity
  b. double sun
  c. toxic atmosphere
  d. irregular orbits
  e. optimum distance from star



Question 2

The end of Earths life cycle will occur as a result of the suns ____ phase.
  a. supernova
  b. red giant
  c. protostar
  d. nebula
  e. accretion




cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

e

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

cadimas

  • Sr. Member
  • ****
  • Posts: 362

 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library