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

Author Question: Galaxies may contain a supermassive black hole at their center but ___________ an active nucleus ... (Read 77 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

e


Deast7027

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

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

An ecological puzzle: the cicada, Diceroprocta apache, is active when air temperatures would appear An ecological puzzle: the cicada, Diceroprocta apache, is active when air temperatures would appear
Black-tailed Jackrabbit camouflage Black-tailed Jackrabbit camouflage
Intermediate Black Hole Intermediate Black Hole
Active transport: Absorption Methods in the Small Intestine Active transport: Absorption Methods in the Small Intestine
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Which color is placed at the center of the circle? Which color is placed at the center of the circle?
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library