A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 grams. How much
daughter isotope is present after three half-lives?
a. 23 grams
b. 46 grams
c. 69 grams
d. 115 grams
e. 161 grams
e
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Research shows that ____ causes people to overestimate risks and worry more about catastrophic risks than they do about common everyday risks.
A. degree of optimism B. fear C. optimism bias D. instant gratification E. evaluation
The "Four Tigers" are known for their large populations, which provide enormous markets for manufactured goods
Indicate whether the statement is true or false
Which process releases energy from radioactive materials to produce nuclear power?
A) Nuclear fission B) Nuclear fusion C) Gasification D) Nuclear bombardment
When measuring the wealth of a nation, explain the difference between gross domestic product (GDP) and genuine progress indicator (GPI)
What will be an ideal response?