A student is measuring the effect that surface area has on the rate of chemical weathering. He dissolves several 5-gram
samples of calcite in an acid. The samples range from a single rock, to several small pieces, to a fine powder. He observes
that the 5 grams of powder dissolve the fastest, and the single 5-gram rock dissolves the slowest. Based on this
information, how might mechanical weathering affect the rate of chemical weathering?
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Is a state government creates a new tax to fund schools a example of checks and balances
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By locating production facilities abroad, multinational corporations must pay more for labor true or false
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Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders
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A student is measuring the effect that surface area has on the rate of chemical weathering. He disso...
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