Author Question: Why do we feel type O and B stars are poor candidates for extraterrestrial life? A) They do not ... (Read 64 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
Why do we feel type O and B stars are poor candidates for extraterrestrial life?
 
  A) They do not have a habitable Zone.
  B) They don't produce enough yellow light.
  C) Their lifetime is too short.
  D) They don't produce a planetary system.
  E) Their habitable zone lies too close to the star.

Question 2

Which of the following is not a piece of evidence supporting the idea that Pluto is a large comet of the Kuiper belt?
 
  A) Pluto's composition appears to match that of other known Kuiper belt comets.
  B) Triton, which must once have orbited the Sun before being captured by Neptune, is significantly larger than Pluto.
  C) Pluto grows a coma and a long tail when it is at the point in its orbit closest to the Sun.
  D) Pluto's orbit is very similar to the orbits of other known Kuiper belt comets.
  E) Pluto is not the largest object orbiting in the region of the Kuiper belt.



bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library