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

Author Question: What hypothesis has been presented for the close parallel relationship of the magnetic field and the ... (Read 39 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
on: Jul 16, 2018
What hypothesis has been presented for the close parallel relationship of the magnetic field and the rotation axis?
 
  A) Rotation causes spiraling convection currents in the outer core.
  B) Rotation causes spiraling convection currents in the outer mantle.
  C) Rotation causes spiraling convection currents in the inner mantle.
  D) Rotation causes spiraling convection currents in the inner core.

Question 2

What is a possible effect of a magnetic reversal on Earth's organisms?
 
  A) Species become extinct as they lose their navigational ability.
  B) Organisms are subjected to greater amounts of cosmic radiation.
  C) Organisms are subjected to greater amounts of radioactivity.
  D) Organisms will change their habitats with the accompanying climate change.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k2629

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


bobbie

  • Member
  • Posts: 592
Reply 2 on: Jul 16, 2018
:D TYSM

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Relationship between winter rainfall and chuckwalla, Sauromalus, size Relationship between winter rainfall and chuckwalla, Sauromalus, size
Relationship between body size and seed size in Galapagos finch species Relationship between body size and seed size in Galapagos finch species
Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head. Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head.
Transcranial Magnetic Stimulation and PTSD Transcranial Magnetic Stimulation and PTSD
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ... The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
Packaging materials like zip-close bags, egg cartons, and takeout containers should be thrown away Packaging materials like zip-close bags, egg cartons, and takeout containers should be thrown away
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library