How does grind size affect the “permeability” of the coffee grounds?单项选择题

A

None of these – the grind size does not affect permeability

B

Bigger coffee grounds have bigger permeability (it is easier to push the fluid through)

C

Bigger coffee grounds have smaller permeability (it is harder to push the fluid through)

D

Bigger coffee grounds increase the viscosity of the fluid (so the permeability must decrease)

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