Although mice, a cat's normal food, are about 70% water, and canned food about 78%, dry food is between 5%-10% water. That's why âcanned food does a much better job of keeping your cat well-hydrated,â Pierson tells WebMD. âThink of canned food as hosing down your cat's bladder several times a day.â.
The troposphere is the layer closest to the Earth. The <b>troposphere</b> is the layer closest to the Earth.
Each layer has a different density and temperature. The temperature changes are based on how much solar energy is absorbed. The layer closest to the Earth's surface is the one most important to life on the planet, and it is called the troposphere.