Question

someone help me plz

Answer 1

Fruit, by the by, was all their diet. These people of the remote future were strict vegetarians, and while I was with them, in spite of some carnal cravings, I had to be frugivorous also. Indeed, I found afterwards that horses, cattle, sheep, dogs, had followed the Ichthyosaurus into extinction. But the fruits were very delightful; one, in particular, that seemed to be in season all the time I was there-a floury thing in a three-sided husk-was especially good, and I made it my staple. At first I was puzzled by all these strange fruits, and by the strange flowers I saw, but later I began to perceive their import.

One important difference between present and future is that _____.
humans no longer exist
humans have no way to communicate
the human diet has changed<--- my answer
humans no longer wage war