For the reaction A + B ? 2 C, which of the following statements is true?

A) B is consumed at the same rate that A is consumed.
B) C is produced at twice the rate A is consumed.
C) both a and b
D) neither a nor b


C

Environmental & Atmospheric Sciences

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As the U.S. Manufacturing Belt came into being, which of the following cities arose?

A) New York B) Boston C) Philadelphia D) St. Louis E) Baltimore

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A middle-latitude cyclonic storm actually consists of multiple frontal zones that move together more or less as a unit

Indicate whether the statement is true or false

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Which of the following is NOT evidence of recent activity at a volcano?

A. unweathered lava flows B. ash flows lacking a well-developed soil C. thick, well-developed soil D. layer of ash blanketing hillslopes

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The mating ritual of the blue-footed boobies in the Galapagos Islands includes a complex dance. The birds will not mate with other birds that do not know the dance. This is an example of ________

A) reproductive isolation B) mechanical isolation C) behavioral isolation D) structural isolation E) geographic isolation

Environmental & Atmospheric Sciences