Europe's two most populous cities are:
A. Rome and Madrid
B. London and Paris
C. Paris and Berlin
D. Berlin and Rome
B. London and Paris
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A shortest-path analysis can include intermediate stops between the origin and destination.
Answer the following statement true (T) or false (F)
How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope?
A) You would see a series of very sharp lines of emitted light. B) You would see a rainbow of colors. C) Light is absorbed by heated elements so you would not see anything. D) You would see one line of emitted light, but it would be different for each element. E) none of the above
Salinization of soils ____
A)aids in plant growth B)makes them unfit for agriculture C)increases the rate of soil formation D)decreases the rate of weathering E)inhibits salt formation
Which of the following can be used as a fungal growth inhibitor?
A) calcium propionate B) sodium benzoate C) both a and b D) neither a nor b