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

Author Question: Normal galaxies in the present never went through an active galaxy phase. a. True b. False ... (Read 72 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
Normal galaxies in the present never went through an active galaxy phase.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The type of elements present in a gas can be determined by studying the ____.
 
  a. number of ionized atoms in the gas
 b. energy of the electrons being emitted by the gas
 c. number of photons being absorbed or emitted by the gas
  d. wavelengths of photons absorbed or emitted from the gas
  e. number of excited atoms in the gas



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

False

Answer to Question 2

d




Kthamas

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

For a complete list of videos, visit our video library