Naturally occurring means that the substance is natural and is not in any way made by mankind.
it occurs naturally
yes
it occurs naturally in grapes, bananas and tamarinds
A mineral is a solid that occurs naturally in the Earth. A rock is a solid combination of minerals which also occurs naturally.
The process occurs naturally, says Mr. Jung.
In the atmosphere.
Carbon is not produced but mined because it occurs naturally. Carbon occurs naturally in three forms namely diamond, graphite and amorphous.
Chalk was not invented. It occurs naturally.
It occurs naturally in volcanic rock
Material that occurs naturally in your locale.
because it occurs naturally.
Uranium