Organisms need nutrients to b. carry out essential life functions
I think 10%...................
If the animals are not closely related, but the structures are meant to serve the same function (structure determines function!) then the structures are analogous. The difference between analogous and homologous is that in analogous structures, the creatures are not closely related but the structure serves the same purpose (like bat wings/bird wings) and homologous structures are similar structures directly as a result of ancestry.
Answer;
Public water
Public water is the most reliable source of dietary fluoride.
Explanation;
Fluorine is essential for the normal mineralization of bones and the formation of dental enamel. The biggest percent (about 96%) of the Fluoride in the body is found in bones and teeth. In Teeth, Fluoride becomes incorporated into the crystalline structure of teeth, making them less susceptible to decay.
This magnet is the inner core. The inner core of the earth is made iron allowing it to have magnetic qualities. BTW, this is physical science. Just thought to let you know.
