A scientist observes that water from a pond that flows through a specific filter has most of the particles removed from it. What is the process being used and what interpretation can the scientist make?

a - The process of evaporation has removed most of the particles, so the filter is unneeded.

b - The process of filtration is working to remove residue from the pond water.

c - The process of filtration is working to remove all of the dissolved impurities from the water.

d - The process of water force is keeping the water completely pure, so the filter is working.

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