Radioactive isotopes are particularly important to geologists as we use them ________.
A. to find petroleum deposits
B. to determine the numeric ages of rocks
C. for power generation in remote field stations
D. as a proxy for ancient sea temperatures
E. to find fossils
Answer: B
You might also like to view...
Compared with the mass of a certain object on Earth, the mass of the same object on the Moon is
A) less. B) more. C) the same.
Generally, mineral deposits are uniformly distributed around the world
Indicate whether the statement is true or false.
Port Elizabeth and East London, South Africa lie within the Richards Bay SDI
Indicate whether the statement is true or false
Can consumer choices about eating seafood make a difference in protecting marine resources?
a. Yes; choosing sustainably harvested seafood helps protect fish populations and marine habitat. b. Yes; there are even smartphone apps to help consumers identify which fish are the most environmentally responsible to eat. c. Not really. Since 80% of seafood is imported, we have little control over what we buy or where it comes from. d. Eating seafood shouldn’t be an option! All seafood consumption contributes to the loss of marine biodiversity.