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

Author Question: What do most scientists believe existed before the Big Bang? A) nothing B) the primeval fireball ... (Read 78 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
What do most scientists believe existed before the Big Bang?
 
  A) nothing
  B) the primeval fireball
  C) a singularity
  D) a black hole
  E) everything was inside Earth

Question 2

The vast majority of pulsars are known only from their pulses in:
 
  A) X-rays.
  B) gamma-rays.
  C) visible light.
  D) microwaves.
  E) radio waves.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

A

Answer to Question 2

E





 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library