My science teacher said answer.com is a horribble questioning website.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Phosphorus is naturally occurring. It is found in rocks
No. It is a "Rare Earth"- found only in trace amounts, but naturally occurring.
Potassium is a naturally occurring element found in nature. It is not man-made. It is an essential mineral that plays a crucial role in various bodily functions.
Oxygen is a naturally occuring element, although people now have the technology to extract it from the air when they have a use for pure oxygen
Potassium is naturally made
naturally occurring.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
No. It's man-made.
No - it's a man-made object. But the stuff it is made from is naturally occurring.
yes, concrete is man made, stone is naturally ocurring.
Phosphorus is naturally occurring. It is found in rocks
No - it's a man-made object. But the stuff it is made from is naturally occurring.
No it is naturally occuring
No its naturally produced
natural
Naturally occuring.