« previous next »

Author Question: The most abundant gases in the earth's atmosphere are: a. nitrogen, oxygen, argon and water vapor. ... (Read 79 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Jul 13, 2018
The most abundant gases in the earth's atmosphere are:
 a. nitrogen, oxygen, argon and water vapor.
 b. carbon dioxide, water vapor and ozone.
 c. nitrogen, hydrogen and carbon dioxide.
 d. carbon dioxide and oxygen.

Question 2

The earth's atmosphere receives ________ of the sun's total energy output.
 a. about 25
 b. about 50
 c. a very small fraction
 d. about 80


scottmt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 13, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Nitrogen content of live and dead leaves Nitrogen content of live and dead leaves
Close-ups of Jupiter’s Atmosphere Close-ups of Jupiter’s Atmosphere
Vehicles equipped with onboard refueling vapor recovery usually have a reduced-size fill tube. Vehicles equipped with onboard refueling vapor recovery usually have a reduced-size fill tube.
Earth’s Layered Structure Earth’s Layered Structure
Elephant herd drinking at water hole. Botswana Elephant herd drinking at water hole. Botswana
Video: Embryonic development - Weeks 5 to 8

For a complete list of videos, visit our video library