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

Author Question: Which statement about accretion disks is not true? A) The gas in the inner parts of the disk ... (Read 34 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 27, 2018
Which statement about accretion disks is not true?
 
  A) The gas in the inner parts of the disk travels faster than the gas in the outer parts of the disk.
  B) The gas in the inner parts of the disk is hotter than the gas in the outer parts of the disk.
  C) The primary factor determining whether a white dwarf has an accretion disk is the white dwarf's mass.
  D) Accretion disks are made primarily of hydrogen and helium gas.

Question 2

The overall result of the proton-proton chain is
 
  A) 6 H becomes 1 He + energy.
  B) p + p becomes 2H + energy.
  C) 4 H becomes 1 He + energy.
  D) Individual protons are joined into long chains of protons.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


penza

  • Member
  • Posts: 1,022
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

The nitrogen cycle. The five main parts of the nitrogen cycle are: The nitrogen cycle. The five main parts of the nitrogen cycle are:
Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
Major parts of a cell. Major parts of a cell.
Parts of a muscle. Parts of a muscle.
Parts of flower Parts of flower
Summary of Functions of Principal Parts of the Brain Summary of Functions of Principal Parts of the Brain
Video: Carbohydrate digestion (brush border enzymes, end products) & Carb absorption (fructose, galactose)

For a complete list of videos, visit our video library