Author Question: Compared with oceanic crust, continental crust is very buoyant because it is A) composed of ... (Read 126 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
Compared with oceanic crust, continental crust is very buoyant because it is
 
  A) composed of basaltic rock that contains air bubbles from successive lava flows.
  B) composed of granitic rocks whereas oceanic crust is composed of basaltic rocks.
  C) thinner and forms a thin upper skin on the oceanic crust below.
  D) very young and fresh.

Question 2

The Earth's magnetic field is generated in
 
  A) outer space.
  B) the crust.
  C) the mantle.
  D) the outer core.



yahahah24021

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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.

For a complete list of videos, visit our video library