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Biology, 21.06.2019 23:40
Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere
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Biology, 22.06.2019 07:00
According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
Answers: 2
What does it mean an”ecosystem is in equilibrium”?...
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