Both. Zinc can be found in nature and also can be manmade.
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No. By definition a mineral is naturally occurring.
No. Lithium is a naturally occurring element.
No, it is a naturally occurring petrochemical.
Zircon is a naturally occurring mineral and gemstone.
Not all the elements occur naturally; some elements are man-made.
No, as it occurs in naturally occurring elements of the periodic table.
Pumice is a naturally occurring volcanic rock.
Earth. It's a naturally occurring element retrieved through mining.
In the attached list manmade elements are: technetium, promethium and the elements with atomic number between 94 and 118.
Most of the known naturally occurring zinc is not found in living organisms, but rather in minerals.
It is an isotope that occurs in nature, and is not manmade. Isotopes, by the way, are atoms that have the same number of protons, but different number of neutrons. The atomic number is the same, but atomic weight (or mass) is different. For instance, Carbon can be Carbon 10, 11, 12, or 14. They are all carbon.
yes. because zinc is most common element to be found in nature