This topic contains a solution. Click here to go to the answer

Author Question: How is the lifetime of a star related to its mass? A) More massive stars live slightly shorter ... (Read 109 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
How is the lifetime of a star related to its mass?
 
  A) More massive stars live slightly shorter lives than less massive stars.
  B) More massive stars live much longer lives than less massive stars.
  C) More massive stars live much shorter lives than less massive stars.
  D) More massive stars live slightly longer lives than less massive stars.

Question 2

No one can hear you scream (or fire a weapon) in space, regardless of the Hollywood special effects. Explain why.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

Sound waves must travel though a material medium, and cannot pass through a vacuum. The blast might be seen, but the boom will not be heard.




olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library