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

Author Question: Quasars ____. a. are common at all ages of the Universe b. are the early stages of what become ... (Read 100 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Quasars ____.
 
  a. are common at all ages of the Universe
 b. are the early stages of what become Seyfert galaxies
 c. disrupt galactic formation and become isolated black holes
  d. are an early stage of the formation of common galaxies
  e. are formed from double-lobed radio galaxies

Question 2

An atom can only have orbits of certain sizes, called _______________ orbits.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

d

Answer to Question 2

permitted





 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library