If such an isotope existed, which one would be best to use for establishing the age of an archeological site that is about 50,000 years old?
A. one with a half-life of 2,000 years
B. one with a half-life of 200,000 years
C. one with a half-life of 20,000 years
D. one with a half-life of 2 million years
Answer: C
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This type of mass wasting is a hazard within Yosemite National Park:
A. rock creep B. slumps C. rock slides and rock falls D. debris flows
Environmental damage from industry or land development has traditionally been labeled as ________ by economists
A) external costs B) ecosystem services C) free riders D) greenwashing E) steady state economics
A ________ is issued when sustained winds of 119 kilometers per hour or higher are expected within a specified coastal area in 24 hours or less
Fill in the blank(s) with correct word
Complete the following chart (round off relative humidity to the nearest percent).
