What are the vibrations caused by earthquakes?
A. seismic waves
B. orphan tsunamis
C. faults
Answer: A
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An amine can often form R-NH3+ (where R- can stand for anything) by reacting with water. What is happening?
A. The amine is accepting a proton from the water molecule, forming OH-. B. Amines are basic. C. Amines can form H3O+ in water by donating a proton from the polar portion of the molecule. D. Amines are acidic. E. none of the above
Which of the following is NOT true about the world's energy supply?
A) 33 percent of the world's natural gas is produced in Southwest Asia and Russia. B) Approximately 50 percent of the world's coal reserves are found in China. C) Russia and Saudi Arabia provide at least 25 percent of the world's petroleum. D) The United States produced 50 percent of the world's petroleum output. E) 33 percent of the world's natural gas comes from the United States and other developed countries.
Which is older - rock unit M or R?
What will be an ideal response?
What is the most common mineral group, and what are three common examples? What will be an ideal response?