This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is considered a variable gas in Earth's atmosphere? a. water vapor b. ... (Read 104 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
on: Jul 13, 2018
Which of the following is considered a variable gas in Earth's atmosphere?
   a. water vapor
   b. nitrogen
   c. oxygen
   d. argon
   e. helium

Question 2

In a volume of air near Earth's surface today, ____ occupies 78 percent and ____ nearly 21 percent.
   a. nitrogen; oxygen
   b. hydrogen; oxygen
   c. oxygen; hydrogen
   d. nitrogen; water vapor
   e. hydrogen; helium


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sweetkitty24130

  • Sr. Member
  • ****
  • Posts: 291
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: a


waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 13, 2018
Wow, this really help

AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

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

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Controlled Experiments Manipulate a Variable Controlled Experiments Manipulate a Variable
A demonstration engine showing the amount of water that can be circulated through the cooling ... A demonstration engine showing the amount of water that can be circulated through the cooling ...
The chemical structure of the water molecule The chemical structure of the water molecule
Different bodies of water have contrasting physical properties Different bodies of water have contrasting physical properties
Water-based Diseases Water-based Diseases
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library