This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How is the lifetime of a star related to its mass? A) More massive stars live slightly shorter ... (Read 66 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Great answer, keep it coming :)

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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.

Rising and Setting of Stars at Middle North Latitudes Rising and Setting of Stars at Middle North Latitudes
W(illiam) E(dward) B(urghardt) Du Bois (1868–1963) spent his lifetime studying relations between ... W(illiam) E(dward) B(urghardt) Du Bois (1868–1963) spent his lifetime studying relations between ...
Procedures and Diagnostic Tests Related to the Endocrine System Procedures and Diagnostic Tests Related to the Endocrine System
A needle that drops to near zero when the engine is accelerated rapidly and then rises slightly to ... A needle that drops to near zero when the engine is accelerated rapidly and then rises slightly to ...
An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ... An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...
A sea star A sea star
Video: Polysaccharides

For a complete list of videos, visit our video library