Author Question: At divergent plate boundaries, the operating forces are:a. compressional. b. lateral shearing. ... (Read 79 times)

sammy

  • Hero Member
  • *****
  • Posts: 818

At divergent plate boundaries, the operating forces are:a.
   compressional.
  b. lateral shearing.
  c. tensional.
  d. thrusting.
  e. normal



Question 2

The symmetrical pattern of magnetic polarities about spreading ridges in oceanic crust basalts
  indicates that:a.
   each plate has had an independent set of magnetic reversals.
  b. basalt retains its magnetic signature for only a few million years.
  c. new ocean crust is created by volcanism at oceanic ridges and old crust moves laterally
  away from the ridge.
  d. the oceanic crust is geologically young.
  e. magnetic polarity reverses but northern and southern hemispheres do not.




alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

For a complete list of videos, visit our video library