« previous next »

Author Question: The Hubble time only describes a Universe that is ____. a. flat b. totally open c. totally closed ... (Read 83 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?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

The oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth. The oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth.
When the engine is cold and before the oxygen sensor is hot enough to achieve closed-loop, the ... When the engine is cold and before the oxygen sensor is hot enough to achieve closed-loop, the ...
Crystal structures of SecY complex in “closed” and “open” conformations Crystal structures of SecY complex in “closed” and “open” conformations
Open pit mining creates immense holes at the surface Open pit mining creates immense holes at the surface
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library