Why are there Dry and Liquid Measuring Cups? What's the difference?

I am going out on a limb here and estimating that at least 4 out of every 10 homes now only has 1 set of measuring cups.  And this one set is used to measure

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Dry Versus Liquid Measuring Cups and a Scale Maybe You Can't Live Without?

Are Liquid Measuring Cups the Same as Dry Measuring Cups?

Measuring Cups and Spoons Set 11 Piece. Includes 10 Stainless Steel Measuring Spoons and Cups Set and 1 Plastic Measuring Cup. Liquid Measuring Cups Set and Dry Metal Measuring Cup Set

Why Do We Need Liquid and Dry Measuring Cups?

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Dry versus Liquid Measuring Cups

4 pieces plastic measuring cups have 4 different sizes from small to big, include: 4 cups, 2-1/2 cups, 1-1/2 cups, and 3/4 cup. You can use these

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