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 65 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
Excellent

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Preparation of sterile field 3 Preparation of sterile field 3
Earth’s Spheres Earth’s Spheres
Earth’s Biomes "الأرض الحيوية" Earth’s Biomes "الأرض الحيوية"
Earth’s Lithospheric Plates Earth’s Lithospheric Plates
Draw the electric field of: •An electron and proton •Two electrons Draw the electric field of: •An electron and proton •Two electrons
Magnetic Force on a Current Carrying Conductor Magnetic Force on a Current Carrying Conductor
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library