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

Author Question: Which of the following processes slowed the collapse of protogalactic clouds? A) the conversion ... (Read 22 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Which of the following processes slowed the collapse of protogalactic clouds?
 
  A) the conversion of gravitational potential energy into kinetic and thermal energy as the cloud collapsed
  B) the formation of the first generation of stars
  C) the shock waves from the exploding supernovae of the earliest stars
  D) the pull of gravity of the mass of the cloud material
  E) the radiating away of thermal energy

Question 2

A unique characteristic of type O stars is ionized helium lines in its spectrum.
 
  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

welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Collmarie

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Excellent

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Conversion of AMP to IMp Conversion of AMP to IMp
Conversion of succinate to fumarate Conversion of succinate to fumarate
The Processes of Synaptic Pruning The Processes of Synaptic Pruning
Cloud Types: High Clouds Cloud Types: High Clouds
Vertebral column. Avoid heavy pressure directly over spinous processes. Vertebral column. Avoid heavy pressure directly over spinous processes.
Linolenic Acid Conversion to EPA and DHA. Linolenic Acid Conversion to EPA and DHA.
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library