Chemistry, 12.09.2019 20:10, blakestuhan
Modern commercial airliners are largely made of aluminum, a light and strong metal. but the fact that aluminum is cheap enough that airplanes can be made out of it is a bit of historical luck. before the discovery of the hall-héroult process in , aluminum was as rare and expensive as gold. what would happen if airplanes had to be made of steel?
Answers: 1
Chemistry, 23.06.2019 01:30, kaitie60
Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
Answers: 2
Modern commercial airliners are largely made of aluminum, a light and strong metal. but the fact tha...
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