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

Author Question: The critical density of the universe is the ________. A) density of water B) average density the ... (Read 197 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
on: Jul 27, 2018
The critical density of the universe is the ________.
 
  A) density of water
  B) average density the universe would need for gravity to someday halt the current expansion if dark energy did not exist
  C) actual average density of the universe
  D) density of dark matter in the universe

Question 2

The atmosphere of Titan is chiefly
 
  A) ammonia. B) nitrogen. C) oxygen. D) methane. E) hydrogen.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


RYAN BANYAN

  • Member
  • Posts: 563
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Three ways that factors affect mortality in response to changes in population density. Three ways that factors affect mortality in response to changes in population density.
Water wheel is the most promising solution to ocean plastic Water wheel is the most promising solution to ocean plastic
Whale in water Whale in water
Claude Monet, Bridge over a Pool of Water Lilies. Claude Monet, Bridge over a Pool of Water Lilies.
How to find the average atomic mass of an element How to find the average atomic mass of an element
How many moles of AgCl are contained in 244 mL of 0.135 m AgCl solution? The density of the ... How many moles of AgCl are contained in 244 mL of 0.135 m AgCl solution? The density of the ...
Video: What are the Parts of a Plant Cell?

For a complete list of videos, visit our video library