Author Question: The atmosphere: A) has vertical wind speeds that are typically around one-tenth that of ... (Read 9 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
The atmosphere:
 
  A) has vertical wind speeds that are typically around one-tenth that of horizontal wind speeds.
  B) is about as deep as the planet is wide.
  C) is more than 99 percent contained within the first 60 miles from the earth's surface.
  D) has not changed substantially in composition since the earth formed over four billion years ago.

Question 2

This is the most abundant gas in the atmosphere:
 
  A) nitrogen.
  B) oxygen.
  C) carbon dioxide.
  D) water vapor.



ghepp

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

For a complete list of videos, visit our video library