Author Question: What are the two major components of clean, dry air? What proportion does each represent? What ... (Read 84 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?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library