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

Author Question: Over geologic history the Earth's magnetic field A) has been relatively stable. B) has increased ... (Read 73 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
Over geologic history the Earth's magnetic field
 
  A) has been relatively stable.
  B) has increased in strength exponentially.
  C) has reversed direction many times.
  D) is unknown.

Question 2

Which force field can accelerate an electron?
 
  A) electric field
  B) magnetic field
  C) both of these
  D) neither of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C




james0929

  • Member
  • Posts: 586
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

For a complete list of videos, visit our video library