S₁: The lions used to be widely distributed in Africa and Asia.

S₆: No hunting is permitted in such reserved areas.

P: There are special forest zones set aside for wildlife in various countries.

Q: Indiscriminate killing by hunters has been the cause of this drastic fall in their numbers.

R: Today they are a relatively rare species.

S: If the species survives at all, it will be only in national parks.

The proper sequence should be:

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