Author Question: What mountain building event, which occurred about 35-55 million years ago, created the front ranges ... (Read 88 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
What mountain building event, which occurred about 35-55 million years ago, created the front ranges and foothills of the Rocky Mountains?
 
  A) The Laramide Orogeny
  B) The Columbia Orogeny
  C) The Gondwana Orogeny
  D) The Silurian Orogeny

Question 2

The formation of the Rocky Mountains began about 200 million years ago with the collision of the North American Plate and that other plate?
 
  A) The South American Plate
  B) The Pacific Plate
  C) The Juan de Fuca Plate
  D) The Caribbean Plate



shoemake

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

For a complete list of videos, visit our video library