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

Author Question: Our greatest source of knowledge about Earth's interior comes from ________. A) drill holes B) ... (Read 77 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
Our greatest source of knowledge about Earth's interior comes from ________.
 
  A) drill holes
  B) deep mine shafts
  C) seismic waves
  D) volcanic eruptions

Question 2

Which one of the following statements is true about the crust?
 
  A) It is the thinnest of the major subdivisions.
  B) It is thickest of the major subdivisions
  C) Continental rocks have the same composition as oceanic rocks.
  D) Oceanic crust has an average composition of granite.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akudia

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A





 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

For a complete list of videos, visit our video library