Author Question: Present carbon dioxide levels in the atmosphere are higher now than any time in the last 800,000 ... (Read 70 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
Present carbon dioxide levels in the atmosphere are higher now than any time in the last 800,000 years.
 
  Indicate whether the statement is true or false

Question 2

Of the world's largest rivers, which has the greatest discharge?
 
  A) Zaire (Congo) River
  B) Amazon River
  C) Missouri-Ohio-Mississippi river system
  D) Chang Chiang (Yangtze) of Asia



dajones82

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library