natural
feathers are not man made they are natural
Yes, natural disasters are natural occurrences. That is what the word "natural" means - not resulting from the activities of people.
Comparative: more natural Superlative: most 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.
Natural, of course!
natural feature
Consider the name and what they are like and you will reach the conclusion that they are natural. "Natural" disasters.
natural law natural law natural law
None, it is a natural resource
Silk is natural. It is produced by silkworms.
more natural, most natural