This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Geophysicists today generally attribute the existence of the Earth's magnetic field to which of the ... (Read 28 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
Geophysicists today generally attribute the existence of the Earth's magnetic field to which of the following?
 a. solar flares
  c. currents within the liquid interior
  b. iron ore deposits in the crust
  d. nickel-iron deposits in the crust

Question 2

Halving the mass of the bob on a simple pendulum will cause a change in the frequency of the pendulum swing by what factor?
 a. 4.0
  c. 1.0
  b. 2.0
  d. 0.50


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


tth

  • Member
  • Posts: 579
Reply 2 on: Jul 28, 2018
Wow, this really help

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

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

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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.

The Sun Today and as a Giant The Sun Today and as a Giant
Focusing Jets by Magnetic Fields Focusing Jets by Magnetic Fields
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
The first step in field recovery involves surveying the site, sometimes with special equipment. The first step in field recovery involves surveying the site, sometimes with special equipment.
Children with autism generally prefer interacting with objects over people. Children with autism generally prefer interacting with objects over people.
Countries where malaria is prevalent today are located in the warm tropics and subtropics Countries where malaria is prevalent today are located in the warm tropics and subtropics
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library