Hm...
1) we would have to compete with them for food
2) we'd have to run like h if we saw a predator
3) we'd have much more different cities
4) some inventions might not have been invented
5) some modern species would be extinct, or not exist
Autumn would announce its arrival by (c) SIGHT
As people became more interdependent, they needed to live closer together. ((apex))
Answer:
Maybe certain or limited?
Explanation:
