Tritium (3H) is a chemical that can be used to trace the physical movement of water in the oceans.
a. true
b. false
Answer: b. false
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When estimating and calculating the reliability of a given system, experts quantify the reliability of the technology involved and divide that number by the reliability of the human using the technology
Indicate whether the statement is true or false
Why did the Neptunists think that volcanoes were the product of locally burning coal seams?
A) They thought that coal was extremely abundant at that time. B) They had no other explanation; they believed in a cold primitive earth. C) They thought that plate tectonics would shake the coal, causing it to burn. D) They thought that impacts of comets or meteors heated the coal, making it burn.
Which of the following best matches the description?Entrapment and transfer of heat from the sun to a building without use of machinery.
A. geothermal energy B. overburden C. photovoltaic cell D. resources E. black lung disease F. acid mine drainage G. passive solar system H. secondary recovery I. active solar system J. surface mining K. underground mining L. nonrenewable energy sources M. renewable energy sources N. liquefied natural gas O. reserves
In 1998, Hurricane Mitch hit Central America and caused a catastrophe that was magnified by the practice of ________
Fill in the blank(s) with correct word