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A produce grower is purchasing fertilizer containing three nutrients: A, B, and C. The minimum weekly requirements are 80 units of A, 120 of B, and 240 of C. There are two popular blends of fertilizer on the market. Blend I, costing $8 a bag, contains 2 units of A, 6 of B, and 4 of C. Blend II, costing$10 a bag, contains 2 units of A, 2 of B, and 12 of C. How many bags of each blend should the grower buy each week to minimize the cost of meeting the nutrient requirements?
Which results from upwelling in the oceans? A. Acidic water dissolves shells. B. Cold, dense water sinks. C. Marine organisms die. D. Surface water gains nutrients.
A Acidic water dissolves shells
B Cold, dense water sinks
C Marine organisms die
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