« previous next »

Author Question: The Hubble time only describes a Universe that is ____. a. flat b. totally open c. totally closed ... (Read 123 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?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Sirius A and B Hubble photo Sirius A and B Hubble photo
The oral cavity. Anterior view of the open mouth. The oral cavity. Anterior view of the open mouth.
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
Under what conditions can part-time employment in high school be a negative influence on school ... Under what conditions can part-time employment in high school be a negative influence on school ...
Open-ocean systems vary in their biological diversity Open-ocean systems vary in their biological diversity
Fracture and Repair of Bone Open (Compound) Fracture and Repair of Bone Open (Compound)
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library