Author Question: The atmosphere: A) has vertical wind speeds that are typically around one-tenth that of ... (Read 49 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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library