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

Author Question: The number of Type I and Type II supernovae observed are approximately equal. Indicate whether ... (Read 93 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
The number of Type I and Type II supernovae observed are approximately equal.
 
  Indicate whether the statement is true or false

Question 2

Compared to the critical density of matter, about how much matter and dark energy is there?
 
  A) 1 matter, 99 dark energy B) 99 matter, 1 dark energy
  C) 100 matter, 0 dark energy D) 30 matter, 70 dark energy



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

adammoses97

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

TRUE

Answer to Question 2

D





 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library