« previous next »

Author Question: Which two gases make up a combined total of 99 of clean, dry air in the homosphere? A) carbon ... (Read 101 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jul 14, 2018
Which two gases make up a combined total of 99 of clean, dry air in the homosphere?
 
  A) carbon dioxide and water vapor B) nitrogen and oxygen
  C) oxygen and carbon dioxide D) nitrogen and argon

Question 2

Who was first to explain the mechanism by which most earthquakes are generated?
 
  What will be an ideal response?


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

H. F. Reid of Johns Hopkins University.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

robinn137

  • Hero Member
  • *****
  • Posts: 544
Reply #2 on: Jul 14, 2018
Thank you :)


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jul 14, 2018
Happy to help you


« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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?

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.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Carbon-zinc Battery Carbon-zinc Battery
The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c
To make an ice pack, place crushed ice in a plastic bag, bleed the air out of it, and seal it. Wrap To make an ice pack, place crushed ice in a plastic bag, bleed the air out of it, and seal it. Wrap
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Functional Groups of Carbon Functional Groups of Carbon
If 25 kg of ice at 0C is combined with 4 kg of steam at 100C, what will be the final ... If 25 kg of ice at 0C is combined with 4 kg of steam at 100C, what will be the final ...
Video: Renal Failure

For a complete list of videos, visit our video library