The Carboniferous coal deposits of North America probably were derived from plants that grew in temperate climates
a. True
b. False
False
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The world's reserves of the strategic mineral tungsten are found in the United States and China, with about half of the total located in each of the two countries
Indicate whether the statement is true or false
Diffused light is caused by ________
A) scattering of solar radiation by water molecules B) scattering of solar radiation by dust particles and gas molecules C) solar radiation striking an irregular surface and being partially absorbed D) solar radiation striking surface water at a low angle E) none of the above
Bacteria are more important in the ____________________ than in the carbon or phosphorous cycle
Fill in the blanks with correct word
Which of the following cannot cause a tsunami?
A) Faulting B) An underwater landslide C) A volcanic eruption D) A strike-slip fault on land E) All of these can cause a tsunami.