Author Question: Which class of stars probably has too small a habitable zone for life to arise? What will be an ... (Read 57 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
Which class of stars probably has too small a habitable zone for life to arise?
 
  What will be an ideal response?

Question 2

The lithosphere of a planet is the layer that consists of
 
  A) material above the crust.
  B) material between the crust and the mantle.
  C) the rigid rocky material of the crust and uppermost portion of the mantle.
  D) the softer rocky material of the mantle.
  E) the lava that comes out of volcanoes.



jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

Class M stars are too cool to generate a large habitable zone.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library