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

Author Question: 21-cm radiation is a result of an electron in hydrogen flipping its spin direction. Indicate ... (Read 90 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 27, 2018
21-cm radiation is a result of an electron in hydrogen flipping its spin direction.
 
  Indicate whether the statement is true or false

Question 2

We have observed a comet strike Jupiter.
 
  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

Zebsrer

  • Sr. Member
  • ****
  • Posts: 284
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

TRUE


skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Electron micrographs of a cellular membrane. Electron micrographs of a cellular membrane.
Variation in climatic conditions result in geographic variation in the distribution of biome types a Variation in climatic conditions result in geographic variation in the distribution of biome types a
What Happens to Incoming Solar Radiation? What Happens to Incoming Solar Radiation?
Transmission electron microscope Transmission electron microscope
Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ... Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ...
Human chromosomes as seen at metaphase of mitosis in the scanning electron microscope. The replicate Human chromosomes as seen at metaphase of mitosis in the scanning electron microscope. The replicate
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library