Coal is composed of
A. a combination of oil-rich sediments and calcareous ooze.
B. petrified wood.
C. buried plant material that has partially decayed.
D. buried animal material that has partially decayed.
Answer: C
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Although most of the rich countries in the world have called for an end to farm subsidies, the United States is strongly opposed to such a move
Indicate whether the statement is true or false.
How does glaciation affect volcanism?
a. Volcanoes become less active during glacial times, because temperatures are cooler. b. Volcanoes become less active during glacial times, because they are covered with ice. c. Volcanism and glaciation have not been shown to have a causal relationship to each other. d. Volcanoes become more active as heat is trapped in Earth. e. Volcanoes become more active in order to end the glaciation
Write a short paper researching your local weather and climate
What climate region are you in? What are the major weather and climate problems faced in your area? How do people adjust and adapt to those problems? What are the major sources of global warming emissions in your area?
Clay minerals are very common in the Earth's upper mantle.
Answer the following statement true (T) or false (F)