The species H+ can be called which of the following?
A) hydrogen ion
B) proton
C) either a or b
D) neither a nor b
C
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Ethanol production in the United States
A) is likely to decline soon, as the price for corn as food increases. B) accounts for only 5% of the U.S. crop. C) will likely increase, making less corn available to people and livestock as food. D) has not contributed to rises in corn prices.
What may result from precipitation?
A) Dissolved elements turn into sedimentary rock. B) Igneous rock turns into sedimentary rock. C) Sediment turns into metamorphic rock. D) Metamorphic rock turns into igneous rock.
The word atom is derived from a word in which language?
A) Arabic B) Greek C) Hebrew D) Latin
Violent tornadoes (with winds exceeding 180 knots) that contain smaller whirls rotating within them are called ____
a. multi-vortex tornadoes b. supercell tornadoes c. suction tornadoes d. tornado families e. tornado outbreaks