The term "limelight" is derived from the old name for calcium oxide. What is the formula of calcium oxide?
A) CaO2
B) Ca2O
C) CaO
D) Ca2O2
C
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Which of the following is a cause of natural climate change?
A) forest fires B) tornadoes C) volcanic eruptions D) sea levels increasing E) glacial melting
Global warming may cause changes in Earth's albedo
Indicate whether the statement is true or false
If the temperature of the air is said to be at absolute zero, one might conclude that the?
a. ?motion of the molecules is at a maximum. b. ?molecules are occupying a large volume. c. ?molecules contain a minimum amount of energy. d. ?temperature is 0°F. e. ?air temperature is 0°C.
A hydroturbogenerator would be found
A) at a hydroelectric dam. B) at a coal-fired power plant. C) inside of a wind mill used to generate electricity. D) in a power plant that uses oil for fuel.