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

Author Question: What are the very cold (about 20 K), dense clouds of gas thought to be the most massive objects in ... (Read 14 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
What are the very cold (about 20 K), dense clouds of gas thought to be the most massive objects in the Galaxy called?
 
  A) emission nebulae
  B) absorption clouds
  C) dust clouds
  D) molecular clouds
  E) reflection nebulae

Question 2

When an electron is formed from a gamma ray collision, a positron is also made.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SeanoH09

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D

Answer to Question 2

TRUE




james9437

  • Member
  • Posts: 568
Reply 2 on: Jul 27, 2018
:D TYSM


tkempin

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

 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

For a complete list of videos, visit our video library