Sand is not evaporated.
dirt
Depending on the size of the grain of sand, sand is best. It holds more moisture then dirt does.
Yes. because dirt can soak up more water than sand can
dirt gravel because it has some nutrients in it and gravel does not.
Because of the minerals inside it are able to warm up faster in heat.
Water evaporates faster.
Pure water is evaporated faster.
Faucet water evaporates slightly faster.
i would say sand because it's really tiny rocks. soil is basically dirt and other stuff.
No sand does not have things that dirt does
sand because dirt has water in it but sand does not