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

Author Question: Which of the following is true of a flat Universe? A) It is two dimensional. B) It closes upon ... (Read 32 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Which of the following is true of a flat Universe?
 
  A) It is two dimensional.
  B) It closes upon itself.
  C) It has zero curvature.
  D) It is finite.

Question 2

If the average density of matter and energy in the Universe equals the critical density, space-time will be _____.
 
  A) finite
  B) flat
  C) positively curved
  D) negatively curved


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Wow, this really help

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

True Friendship True Friendship
Structure in the Universe Structure in the Universe
(A) Effleurage to entire arm to apply oil or lotion. (B) Apply with flat palms and fingers from ... (A) Effleurage to entire arm to apply oil or lotion. (B) Apply with flat palms and fingers from ...
Stethoscope with both a bell-shaped and flat-disc amplifier Stethoscope with both a bell-shaped and flat-disc amplifier
The three-dimensional structure formed of a protein The three-dimensional structure formed of a protein
Holley’s two-dimensional cloverleaf model of transfer RNA Holley’s two-dimensional cloverleaf model of transfer RNA
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library