This topic contains a solution. Click here to go to the answer

Author Question: Which is one of four processes that produces different varieties of igneous rocks? A) Single ... (Read 6 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
Which is one of four processes that produces different varieties of igneous rocks?
 
  A) Single source rocks melt to form different types of magma.
  B) Magma in a volcano changes mineral composition as soon as it is ejected.
  C) Magma stays the same after assimilating nearby rocks.
  D) Magma can change its composition by assimilating nearby rocks.

Question 2

How do igneous products form and why do geologists study these processes?
 
  What will be an ideal response?

Question 3

Briefly describe what makes volcano types different from one another and give an example of a type.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

Answer: D

Answer to Question 2

Please could you help me with another one. Thank you

Answer to Question 3

Answer: Different magma compositions and types of eruptions, and varying proportions of lava flows to pyroclastic deposits determine the sizes and shapes of volcanoes. Shield volcanoes are small to giant volcanoes composed of many thin and widespread basaltic lava flows. The definitive shield shape is characterized by gentle slopes typically less than 15 degrees. They are active for centuries to a few million years.





 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library