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 52 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
Gracias!

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

A true albino squirrel. Note the pink eyes. A true albino squirrel. Note the pink eyes.
Stethoscope with both a bell and flat disc amplifier. Stethoscope with both a bell and flat disc amplifier.
Which is TRUE about the alternation of generations cycle that is diagramed above? Which is TRUE about the alternation of generations cycle that is diagramed above?
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ... Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ...
Time Line for Evolution of the Universe Time Line for Evolution of the Universe
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library