Digital ACT Science Practice Question #1492
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
36 - 22 = 14 umol/m^2/s.
At 400 ppm, rate = 22. At 800 ppm, rate = 36. 36 - 22 = 14 umol/m^2/s increase....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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