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

Author Question: Neutral hydrogen can be detected because its electron occasionally ________ its spin and creates the ... (Read 65 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
Neutral hydrogen can be detected because its electron occasionally ________ its spin and creates the 21-cm emission line for radio observers.
 
  Fill in the blank(s) with correct word

Question 2

The one term of the Drake equation whose value remains completely unknown is the average lifetime of a technological civilization.
 
  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

vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

flips or switches or reverses

Answer to Question 2

TRUE


justinmsk

  • Member
  • Posts: 524
Reply 2 on: Jul 27, 2018
Wow, this really help

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Integration of the F plasmid creates an Hfr strain Integration of the F plasmid creates an Hfr strain
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Traction neck with head in neutral position. With recipient’s face directly up, hold head at ... Traction neck with head in neutral position. With recipient’s face directly up, hold head at ...
Hydrogen burns to produce energy and water Hydrogen burns to produce energy and water
An electron micrograph showing transcription of a gene. An electron micrograph showing transcription of a gene.
An electron micrograph of a synapse between two nerve cells. An electron micrograph of a synapse between two nerve cells.
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library