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

Author Question: The luminous matter in the universe accounts for what percent of the total mass of the universe? ... (Read 207 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


asmith134

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 27, 2018
Thank you!


ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

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

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

White matter White matter
The Universe According to Ptolemy, Second Century A.D. The Universe According to Ptolemy, Second Century A.D.
A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. ... A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. ...
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ... Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library