« previous next »

Author Question: The iron content in oceanic rock allows geologists to determine its age. What term describes this ... (Read 29 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 13, 2018
The iron content in oceanic rock allows geologists to determine its age. What term describes this approach and other findings?
 
  A. sea floor spreading
  B. paleontology
  C. oxygen-isotope analysis
  D. paleomagnetism
  E. continental drift

Question 2

What is NOT an aspect of the theory of plate tectonics?
 
  A. Seafloor spreading results from rising magma.
  B. Midocean ridges have the newest-formed crust.
  C. Subduction zones are where crust is re-melted.
  D. Deep ocean trenches are tectonically inactive.
  E. Earthquakes match oceanic trenches and ridges.


jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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?

The human body produces and destroys 15 million blood cells every second.

Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Characteristics of the individual determine (a) whether they will be exposed to certain stressors ... Characteristics of the individual determine (a) whether they will be exposed to certain stressors ...
How to use the discriminant to determine the value of k in a quadratic with no real roots How to use the discriminant to determine the value of k in a quadratic with no real roots
If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle
Content of genomic versus cDNA libraries Content of genomic versus cDNA libraries
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library