Why does a potassium-argon dating time scale reset during heating?
A) Expansion of the crystal structure may permit the loosely caged argon atoms to escape.
B) Reduction of the crystal structure may permit the loosely caged argon atoms to escape.
C) It gets so hot that it throws off the time scale.
D) This does not happen.
Answer: A
You might also like to view...
Where is the safest place, among those listed below, in the 48 contiguous states with respect to
earthquake seismic risk? a. South Dakota b. Missouri c. South Carolina d. Maine e. Utah
What are the three basic ingredients of all thunderstorms? Describe at least three potential forcing mechanisms
Chesapeake Bay is the largest estuary in the United States.
Answer the following statement true (T) or false (F)
Why is infinite population growth not possible?
A. Water supplies are stretched to the limit in many places. B. Topsoils are being lost at an alarming rate. C. Supplies of crude oil and gas are in decline. D. All of these choices are correct.