« previous next »

Author Question: What mountain building event, which occurred about 35-55 million years ago, created the front ranges ... (Read 27 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
on: Aug 7, 2018
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
Reply #1 on: Aug 7, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

The pH of human blood ranges from 7.35 to 7.45. The pH of human blood ranges from 7.35 to 7.45.
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his
Teresa Hubbard and Alexander Birchler, Detached Building. Teresa Hubbard and Alexander Birchler, Detached Building.
The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ... The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ...
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ... Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...
Video: B cells and antibodies

For a complete list of videos, visit our video library