A deposit of volcanic tuff contains the isotope potassium-40, which is slowly decaying into argon-40. How might the apparent age of the sample be affected if the volcanic tuff is heated and remains heated for a long period of time?
A) The rate of decay will speed up.
B) The sample will appear older than it really is.
C) The sample will appear younger than it really is.
D) Heat will have no effect on the age of the sample.
Answer: C
You might also like to view...
The religions of Confucianism, Taoism and Shinto all have what in common?
A. Each asks for all believers to relinquish their earthly possessions and live on the generosity of others. B. They each have elaborate ornate churches and very conspicuous priests. C. They all worship the same God. D. They are all based on nature.
The Three Gorges Dam has been constructed on the Yangtze River
Indicate whether the statement is true or false
When a cold front approaches
A) altostratus clouds form. B) winds blow from the north. C) air pressure remains steady. D) air pressure drops. E) none of the above
During its early stages of formation, a catastrophic collision with Earth by a large body is thought to have ripped part of the Earth away to form
A. Phobos and Deimos. B. the Moon. C. an asteroid belt. D. Mars.