« previous next »

Author Question: The Hubble time only describes a Universe that is ____. a. flat b. totally open c. totally closed ... (Read 130 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
The Hubble time only describes a Universe that is ____.
 
  a. flat
 b. totally open
 c. totally closed
 d. partially open
 e. partially closed

Question 2

What is released from the proton-proton chain and is immediately absorbed by the surrounding gas, thereby heating it?
 
  a. positrons
 b. gamma rays
 c. deuterium
 d. electron motion
  e. neutrinos


joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

A closed circulatory system. A closed circulatory system.
Big Picture of the Evolution of the Universe Big Picture of the Evolution of the Universe
When the engine achieves closed-loop, the air is directed to the catalytic converter. When the engine achieves closed-loop, the air is directed to the catalytic converter.
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ... Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ...
Disitive Time For Nuts Disitive Time For Nuts
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library