Digital ACT Science Practice Question #1787
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Pitch drops when source changes from approaching to receding.
Frequency drops from elevated approach pitch (>1,000 Hz) to lowered receding pitch (<1,000 Hz)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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