it will float on the water or in the water. Many kinds of vegetables, such as spinach, water spinach, tomatoes and eggplant, can float on the water.

Put the eggplant into the water, press it to the bottom with your hands, and cut it from the middle with a knife.

There are many small bubbles rising from the bottom, which proves that there is air in the eggplant, so the eggplant will not sink when put into the water.

on the contrary, if you cut the potato in the middle, no bubbles will come out.