________ is a technique where the decay rate of radioactive isotopes is measured and used to determine the age of a geologic material
A) Electron Capture
B) Radiometric Dating
C) Ion Exchange
D) Half-Life
Answer: B
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The most common volcanic rock found in lava flows on composite volcanoes is
A) andesite. B) basalt. C) obsidian.
Nuclear decay (also called radioactive decay) occurs when the unstable nuclei of radioactive isotopes break apart.
Indicate whether the statement is true or false.
Judge the following sentence according to the criteria given below: The Bay of Fundy has one of the largest tidal bores in the world BECAUSE it has the largest tidal range in the world
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Which of the following would be used to kill weeds?
A. herbicides B. rodenticides C. fungicides D. insecticides E. natural enemies