"Natural calametics" could be a typo or a term that is not widely recognized. If you meant "natural calamities," they are unexpected events caused by natural forces, such as hurricanes, earthquakes, floods, and wildfires, that can result in significant damage to property and loss of life. It is important to be prepared for such events by having emergency plans and supplies in place.
natural
Comparative: more natural Superlative: most natural
No natural gas is natural gas.
more natural, most natural
It is natural but there are man-made imitations.
natural
Yes, natural disasters are natural occurrences. That is what the word "natural" means - not resulting from the activities of people.
feathers are not man made they are natural
Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.Yes it is natural. It is not man made.
Comparative: more natural Superlative: most natural
Natural, of course!
Consider the name and what they are like and you will reach the conclusion that they are natural. "Natural" disasters.
natural feature
Yes a real number is a natural since real is natural so anything real is natural and so a real number is natural.
None, it is a natural resource
Piedmont's Natural Resources is natural gas.
Silk is natural. It is produced by silkworms.