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 43 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
Thanks for the timely response, appreciate it


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library