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

Author Question: What is the name for a period of time when the magnetic field is oriented in the opposite direction? ... (Read 161 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
What is the name for a period of time when the magnetic field is oriented in the opposite direction?
 
  A) a magnetic reversal
  B) a reversed polarity interval
  C) a normal polarity reversal
  D) an underage polarity

Question 2

Approximately how long has it been since the last magnetic reversal?
 
  A) 1,780 years
  B) 17,800 years
  C) 780,000 years
  D) 1.768 million years



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peter

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C




Haya94

  • Member
  • Posts: 558
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)


samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library