Digital ACT Science Practice Question #1525
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64% >= 50% at 100 mM; drops below 50% at 150 mM.
At 100 mM, germination is 64% (>= 50%). At 150 mM, it drops to 28% (< 50%). 100 mM is the highest concentration meeting the threshold....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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