« previous next »

Author Question: On a planetary scale, the ocean comprises about ____ of Earth's mass. A) 71 B) 20 C) 8 D) ... (Read 14 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Aug 22, 2018
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
Reply #1 on: Aug 22, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

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?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

The greenhouse effect: heat trapping by earth's atmosphere. The greenhouse effect: heat trapping by earth's atmosphere.
Tides on Earth Tides on Earth
The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ... The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ...
Moving currents are affected by Earth’s rotation Moving currents are affected by Earth’s rotation
Earth’s Spheres Earth’s Spheres
Mass Wasting Forms Mass Wasting Forms
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

For a complete list of videos, visit our video library