1.

The accompanying graph follows the progress of an algal bloom and two associated environmental factors over the course of a year in the North Atlantic Ocean.              Which line in the table given the correct identity of W, X and Y?

A. Relative number of algaeRelative light intensityRelative concentration of nutrateWYX 
B. XWY 
C. WXY 
D. XYW 
Answer» E.


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