Author Question: Greenhouse gases include all of the following except ____. a. argon b. methane c. nitrogen ... (Read 95 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
Greenhouse gases include all of the following except ____.
   a. argon
   b. methane
   c. nitrogen oxides
   d. carbon dioxide
   e. hydrofluorocarbons

Question 2

How are tree rings used as proxy data to provide an indirect record of past climate conditions?
   a. Tree rings are thicker and the wood is denser when growing conditions are better.
   b. Tree rings are thicker and the wood is lighter when growing conditions are better.
   c. Tree rings are thinner and the wood is denser when growing conditions are better.
   d. Tree rings are thinner and the wood is lighter when growing conditions are better.
   e. Because of variable moisture levels, tree rings cannot be used as proxy data.



smrerig

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library