« previous next »

Author Question: Which two gases make up a combined total of 99 of clean, dry air in the homosphere? A) carbon ... (Read 70 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?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Versatility of carbon bonding Versatility of carbon bonding
The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ... When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ...
Variable Gases: Methane Variable Gases: Methane
Computation of the combined probabilities of each F2 phenotype Computation of the combined probabilities of each F2 phenotype
Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library