What is the source of energy inside the Sun?
A. Nuclear fusion
B. Radioactive decay
C. Nuclear fission
D. None of these choices are correct
Answer: A
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Discuss the role of government in reducing the harmful effects of mineral mining and processing.
What will be an ideal response?
Which of the following statements is false?
A. There is no waste in nature B. Trash disappears when we throw it away C. Humans create waste that must be stored, recycled, or reused D. Waste is the recycling of matter
Early scientific estimates of Earth's age used observations of exposed marine fossils requiring a drop in sea level (Benoit de Maillet), cooling of a hotter Earth (Lord Kelvin), and the salinity of the ocean (John Joly)
What age did each of these estimates come up with? What assumptions were made for each of these estimates that we now know to be incorrect? What will be an ideal response?
The Crusades were a series of European military campaigns to assume control of
A) the Arabian Peninsula. B) the Mediterranean trade. C) the Holy Land. D) Europe. E) the Nile.