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

Author Question: The luminous matter in the universe accounts for what percent of the total mass of the universe? ... (Read 47 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
The luminous matter in the universe accounts for what percent of the total mass of the universe?
 
  A) About 5
  B) About 23
  C) About 27
  D) About 73
  E) 100

Question 2

The erosion features seen from orbit on the surface of Mars appears to have been formed from
 
  A) running water
  B) molten lava
  C) wind
  D) marsquakes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

A

Answer to Question 2

A




ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335

 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library