Phosphorus is a naturally occurring element found in mineral deposits and living organisms. It is not man-made.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Potassium-42 is a naturally occurring isotope of potassium. It is a radioisotope with a half-life of about 12.4 hours.
The most common naturally occurring isotope of carbon is carbon-12, which has a mass number of 12.
The lightest naturally occurring actinide on Earth is thorium, which has the atomic number 90. It is a naturally occurring radioactive element found in small amounts in soil and rocks.
appy is the naturally occurring base.
Yes it is a naturally occurring mineral.
naturally occurring.
The "Chaparral Biome" is characterized by naturally occurring fires.
No - it's a man-made object. But the stuff it is made from is naturally occurring.
Naturally occurring means that the substance is natural and is not in any way made by mankind.
The opposite of naturally occurring would be artificially created or man-made.
Phosphorus is a naturally occurring element found in mineral deposits and living organisms. It is not man-made.
Naturally occurring pollutants include those omitted by volcanoes and forest fires.
No - it's a man-made object. But the stuff it is made from is naturally occurring.
Not all the elements occur naturally; some elements are man-made.
appy is the naturally occurring base.