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which
01
какой
used to ask or talk about one or more members of a group of things or people, when we are not sure about it or about them
02
который
used to refers to animals and things
03
который
used to represent a clause, idea, or concept that acts as the subject or object of the verb or preposition
which
01
который
used when we want to talk about something specific giving more information about it
02
used to inquire about specific items or choices within a group
Пример
Scientists studied the conditions under which different materials combust.
The siblings often spat about which TV show to watch.
Cats versus dogs: which pet is more popular in the world?
Some flowers exhibit fluorescence, which attracts pollinators like bees.
The leader was sure of himself, which inspired confidence in his team.
