This topic contains a solution. Click here to go to the answer

Author Question: Which statement about the formation of the magnetic field of Earth is true? A) Its formation is a ... (Read 102 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
Which statement about the formation of the magnetic field of Earth is true?
 
  A) Its formation is a result of magnetic materials in the core.
  B) Its formation is a result of the movement of magnetic materials in the core.
  C) It constantly forms, is lost, and is regenerated.
  D) It is more strongly observable at relatively low temperatures.

Question 2

Which factor is not included in Glatzmaier and Roberts' model?
 
  A) Earth's rotation
  B) compositional convection
  C) convective motion
  D) electricity and magnetism



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B





 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library