This topic contains a solution. Click here to go to the answer

Author Question: Dark energy accounts for about 70 of the critical density of the Universe. a. True b. False ... (Read 76 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
Dark energy accounts for about 70 of the critical density of the Universe.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Which two elements are most abundant within the Sun?
 
  a. hydrogen and carbon
  b. helium and nitrogen
 c. helium and carbon
 d. hydrogen and oxygen
  e. hydrogen and helium



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

True

Answer to Question 2

e




Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Gracias!


aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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.

For a complete list of videos, visit our video library