Some scientists go so far as to assert that from now on, the world can no longer be called "natural", insofar as the future processes of weather, climate, and all the interactions of plant and animal life will no longer carry on in their time-honored way, unaffected by _____.
Варианты ответов:
beings
man
people
humans.
Почему правильный ответ man? Как по мне, то people тоже подходит.
В толковом словаре:
people - persons in general
man - humans as a group