Which of the following is true of a solid which is hygroscopic?

A) It will gain weight when exposed to a damp environment.
B) It may change its color upon being exposed to a damp environment.
C) both a and b
D) neither a nor b


C

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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What type of metamorphism is commonly associated with mountain building at convergent plate boundaries?

A. regional B. hydrothermal C. slow D. contact E. shock

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Which is the LEAST developed region among the following?

A) North America B) Eastern Europe C) Southwest Asia D) Western and Central Europe E) East Asia

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Sea lions are easily distinguished from seals because they ________

A) cannot rotate their front flippers backward B) cannot rotate their front flippers forward C) have external ears D) have a short neck E) use their rear flippers for swimming

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