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Questions and Answers
What frequencies were the ultrasonic microphones able to record?
What frequencies were the ultrasonic microphones able to record?
- Between 1 and 10 kilohertz
- Between 20 and 250 kilohertz (correct)
- Between 100 and 500 kilohertz
- Between 10 and 100 kilohertz
What was the maximum frequency that a human adult's ear can hear?
What was the maximum frequency that a human adult's ear can hear?
- About 10 kilohertz
- About 16 kilohertz (correct)
- About 100 kilohertz
- About 250 kilohertz
How many groups of plants were there in the experiment?
How many groups of plants were there in the experiment?
- Five groups
- Two groups
- Four groups
- Three groups (correct)
What did the research team do to shut off the noise in the environment?
What did the research team do to shut off the noise in the environment?
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What did Lilach Hadany, co-author of the study, mention about plants' use of sound?
What did Lilach Hadany, co-author of the study, mention about plants' use of sound?
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