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madeira empilhada | |||
estrato | |||
subpopulação | |||
camada geológica |
strate : 24 phrases in 10 subjects |
Agriculture | 1 |
Chemistry | 2 |
Environment | 3 |
Life sciences | 6 |
Materials science | 1 |
Mathematics | 4 |
Metallurgy | 1 |
Natural resourses and wildlife conservation | 2 |
Natural sciences | 2 |
Statistics | 2 |