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Biology, 21.06.2019 23:00
Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.
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The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
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Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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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?
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An organism’s allele combination is called the...
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