Answer:
A(n) ____ is an approximate representation or simulation of a system?
A(n) <em><u>Model</u></em>____ is an approximate representation or simulation of a system.
xXxAnimexXx
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You need air flowing through the boat. I second alternative is to get a smoke detector of some kind.
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The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong
The correct answer is 1.5 L
