« previous next »

Author Question: A scientist at a canyon notices observes a dike cuts across the sedimentary layers. How did it get ... (Read 61 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jul 16, 2018
A scientist at a canyon notices observes a dike cuts across the sedimentary layers. How did it get there?
 
  A) It was there before the layers; the layers built upon above and beneath it over millions of years.
  B) There was an earthquake  a layer of igneous rock was thrust into the sedimentary layers..
  C) Magma rose from within the earth and intruded the sedimentary layers.
  D) A piece of a volcano broke off beneath the earth..

Question 2

In which ways does pressure influence different rock compositions' melting points?
 
  A) the more pressure, the higher the melting point
  B) the more pressure, the lower the melting point
  C) pressure changes the composition of the rock, raising the melting point
  D) pressure changes the composition of the rock, lowering the melting point


Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan
The 1976 Flash Flood in Big Thompson Canyon, Colorado The 1976 Flash Flood in Big Thompson Canyon, Colorado
Thermal Layers of the Atmosphere Thermal Layers of the Atmosphere
Beef Tenderloin Cuts Beef Tenderloin Cuts
High in the Andes, a scientist measures the stride of a carnivorous dinosaur High in the Andes, a scientist measures the stride of a carnivorous dinosaur
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library