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 68 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

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Three-dimensional ultrasonography. Three-dimensional ultrasonography.
Inventory of the Universe Inventory of the Universe
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Use a full hand/flat of fingers to apply L stroke to face, below the eye and to the edge of the ... Use a full hand/flat of fingers to apply L stroke to face, below the eye and to the edge of the ...
Raisin Bread Analogy for an Expanding Universe Raisin Bread Analogy for an Expanding Universe
Three-dimensional representation of the endoplasmic reticulum (ER) Three-dimensional representation of the endoplasmic reticulum (ER)
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library