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amm1812
3 years ago
5

PLEASE HELP! 5TH GRADE SCIENCE

Biology
2 answers:
shtirl [24]3 years ago
6 0

Answer:

B

Explanation:

because the sandpaper is rougher than the flat table.

Ber [7]3 years ago
4 0

Answer:

B

Explanation:

Sandpaper causes more friction as it has a rougher surface while in the other hand, A flat table causes less friction as the flat table has a smoother surface.

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