Matter in an ecosystem is
a. always decreasing
b. always increasing
c. recycled and...
Answers: 1
Biology, 22.06.2019 05:00
A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?
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Biology, 22.06.2019 07:00
Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.
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Biology, 22.06.2019 07:00
Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false
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Biology, 22.06.2019 15:30
When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d.higher
Answers: 2
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