they can be made by men, bu they natrually occur in nature
Xenon is an element and, being an element, it cannot contain any compounds - man-made or natural.
Every element found on the Periodic Table can be found in a natural environment. None are man-made. Only compounds can be man-made.
No, not all man-made and most carbon-based compounds are considered organic. Organic compounds specifically contain carbon atoms bonded to hydrogen atoms, along with other elements like oxygen, nitrogen, sulfur, and more. Some man-made compounds, while carbon-based, do not fit this definition and are not considered organic.
Every element found on the Periodic Table can be found in a natural environment. None are man-made. Only compounds can be man-made.
Sodium exists naturally in compounds, but not in its elemental form. It must be extracted by artificial means.
It is natural but there are man-made imitations.
Boron is a naturally occurring element that is found in the earth's crust. It can be found in compounds in rocks, soil, water, and plants.
It can be made from natural or man made fibres.
Wool is a natural fiber obtained from animals such as sheep, goats, and alpacas. It is not a synthetic fiber, which is man-made from chemical compounds.
Is limestone natural or man made
natural feature
The ozone depletion is caused due to various natural and man made factor. Worst of them is the man made CFC's. These are compounds that react with ozone in the ozone layer and deplete it.