Author Question: What are the two major components of clean, dry air? What proportion does each represent? What ... (Read 77 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
What are the two major components of clean, dry air? What proportion does each represent?
 
  What will be an ideal response?

Question 2

Cold water rising from deep in the ocean to replace warmer water at the surface is called ________.
 
  Fill in the blank(s) with correct word



Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Ninety-nine percent of clean, dry air is made up of nitrogen and oxygen. Nitrogen comprises approximately 78 percent and oxygen approximately 21 percent.

Answer to Question 2

upwelling



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library