Author Question: On a planetary scale, the ocean comprises about ____ of Earth's mass. A) 71 B) 20 C) 8 D) ... (Read 55 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
On a planetary scale, the ocean comprises about ____ of Earth's mass.
 A) 71
  B) 20
  C) 8
  D) 0.02

Question 2

Approximately how much of the world's estimated oil and gas reserves can be found within the sediments of the continental margins?
 A) One-third
  B) One-half
  C) Two-thirds
  D) Three-quarters



al

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

For a complete list of videos, visit our video library