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minnu
minnu asks:
Q:

please help to select a working model for science fair on the topic "disaster management" or "energy resources and management"

Topic : disaster management or energy resources and management
Working model or still model..........
for high school
kindly answer within 1 day
In Topics: School and Academics
> 60 days ago

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Answers (1)

Devdatta_Divekar
Devdatta_Di... writes:
Build a working speaker out of a paper cup, magnets, wire, and other included tools. Comes with a pre-assembled amplifier so you can hook up and use the speaker.

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