January 2020 1 77 Report
Classifique os sistemas abaixo em:

1- homogêneo
2- heterogêneo

ar atmosférico ______ ( )
água do mar ______ ( )
água com areia _____ ( )
liga de ouro com cobre ______ ( )

a) 1 - 1 - 1 - 1
b) 1 - 2 - 2 - 1
c) 2 - 1 - 1 - 2
d) 2 - 2 - 2 - 2
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