As I understand, most grains are a form of grass. So if all the grass were gone, for whatever reason, at the very least the world would experience wide-spread famine and the associated social disorder this would cause. The economic implications would also be massive, affecting a good two thirds of the world's population in one way or another.
they would probably evolve very rapidly taking the place of us humans and uncontrollably kill off some species or even destroy the planet and the Big Bang would happen again, this is just a guess
they will obviously perish
they would grow wings.
There would be no more king cobras.
Gone.
there would be no more of those cars
We probably would not have gone to war in Afghanistan and Iraq so many of our soldiers would still be alive.
Early humans would have first gone to Europe. Australia is a island and early humans would have probably walked to europe far before they rode the ocean to Australia.
His crops would be gone.
USA would be gone in 5 minutes
NOTHING cuz no body cares about them
I assume it would be very smelly, is what.