Some of the world would be dark and some would be light so it would get confusing
Answer:
option a because the industrial revolution created more inventions making factories work faster and more efficiently.
Answer:
Over 200 people have climbed everest without oxygen.
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Pteromerhanophobia : fear of flying
Zoophobia : fear of animals
Acrophobia : fear of heights
Nyctophobia : fear of darkness
Ophidiophobia : fear of snakes