The characteristic symptom of oxygen deficiency (over watering) is:
What will be an ideal response?
veinal chlorosis and wilting.
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How can school gardens help students in urban areas?
What will be an ideal response?
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Other things being equal, a soil with 30% clay of the ________ type would be expected to have the greatest phosphorus-fixing capacity
A) 1:1 B) allophanic C) 2:1 D) crystalline iron oxide
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What was the economic impact of large imports of Spanish New World silver into Europe?
a. inflation and real income reduction b. inflation and real income growth c. deflation and real income reduction d. deflation and real income growth
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The breakdown voltage is typically rated with 1% to ____ tolerance.
A. 10% B. 20% C. 30% D. 40%
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