Which of the following boxes represents a suspension?

A. Only A represents a suspension.
B. Only B represents a suspension.
C. Only C represents a suspension.
D. Each of these could represent a submicroscopic portion of a suspension.


Answer: D

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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It took more than 100 years for the world’s population to double from 1 billion to 2 billion. How long did it take for the world’s population to increase from 4 billion to 5 billion?

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Which of the following is an assumption of neoclassical economics?

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Environmental & Atmospheric Sciences