Natural Substances are those which are prepared from herbs and minerals, not from chemical or synthetic sources.
minerals
Substances that are not pure.
Natural
That is a fairly good definition for an "Element".
a plant.
the place in which substances are organized
No, its Natural History
A natural disasters definition is simple, because the definition is simply a disaster that is caused by the natural forces of nature.
The definition of nutrients are substances the provide nourishment essential for growth and other life activities. Glad to help!
nature, natural substances
honey
There is no firm definition of what a natural food is.