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

Author Question: Galaxies may contain a supermassive black hole at their center but ___________ an active nucleus ... (Read 93 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
Galaxies may contain a supermassive black hole at their center but ___________ an active nucleus because of ____________ into the black hole
 
  a. show; mass inflow
  b. not show; mass inflow
  c. show; lack of mass inflow

Question 2

The triple-alpha process
 
  a. controls the pulsations in Cepheid variable stars.
  b. is the nuclear fusion of hydrogen to helium in massive stars.
  c. is the process that produces the neutrinos we receive from the Sun.
  d. requires a temperature of about 5,000,000 K to operate.
  e. occurs during helium flash.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

a

Answer to Question 2

e




Deast7027

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Gracias!


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library