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

How To Measure Weight Vs. Volume In Baking

Free Shipping & EASY Returns 2 cup dry measuring cup

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

4 Measuring Cups Plastic Set, Plastic Measuring Cup for Dry and Liquid Ingredients, Stackable Clear Measuring Cups, Measuring Cups Plastic, Measuring

Measuring Dry or Solid Ingredients

Liquid vs Dry Measures - the differences - Salads with Anastasia

Liquid Dry Measurements: Why It Matters 12 Tomatoes, 44% OFF

How to Use Measuring Spoons and Cups: 6 Steps (with Pictures)

The 6 Best Liquid Measuring Cups of 2024

Free Shipping & EASY Returns 2 cup dry measuring cup

How accurate are your measuring cups?