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.
Science, Evolution, and Creationism. The troposphere is the lowest layer of Earth's atmosphere. The troposphere starts at Earth's surface and goes up to a height of 7 to 20 km (4 to 12 miles, or 23,000 to 65,000 feet) above sea level.ost people know that it is colder on top of a mountain compared to the ground, but few actually know why. And even less know that the atmosphere actually warms up again! The true temperature profile of the atmosphere is shown in the image. The air at the surface up to around 10 kilometers is called the troposphere.