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

Author Question: Supermassive black holes erupt in ____. a. any type of galaxy, and at random times b. elliptical ... (Read 21 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
Supermassive black holes erupt in ____.
 
  a. any type of galaxy, and at random times
 b. elliptical galaxies only, when the last of their gas and dust is consumed
  c. galaxies that have been part of a collision or merger
 d. spiral galaxies only, during a burst of star formation
 e. irregular galaxies

Question 2

Absorption lines are produced by ____.
 
  a. atoms that become ionized
 b. electrons that transfer from a high energy level to a low energy level
  c. electrons that transfer from a low energy level to a high energy level
  d. the intensity of agitation of atoms in a hot gas
 e. the motion of an object toward or away from the observer


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

c


lilldybug07

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Black Spartan Black Spartan
Antidiabetic Drugs for Type 2 Diabetes Antidiabetic Drugs for Type 2 Diabetes
A typical injector-pump-type automotive diesel fuel injection system. A typical injector-pump-type automotive diesel fuel injection system.
Use dye specifically made for coolant when checking for leaks using a black light. Use dye specifically made for coolant when checking for leaks using a black light.
A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves. A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves.
Canada Total Energy Consumption by Fuel Type Canada Total Energy Consumption by Fuel Type
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library