« previous next »

Author Question: What are the two major components of clean, dry air? What proportion does each represent? What ... (Read 17 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
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
« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Major features of the Solar System (not to scale) Major features of the Solar System (not to scale)
Women who reported one, two, or three or more major life events in the past 5 years were ... Women who reported one, two, or three or more major life events in the past 5 years were ...
A typical clean-in-place system A typical clean-in-place system
Major marma point locations. Major marma point locations.
Major events in the storage, retrieval, and use of fuels in the fed and unfed states Major events in the storage, retrieval, and use of fuels in the fed and unfed states
Major band of storms Major band of storms
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library