If earth's moon was destroyed, then we will no longer have normal tide cycles.
the earth would be destroyed
we would all die!
it will be destroyed, considering Earth is a planet.
The temperature would be different on Earth.
If the earth's moon was completely destroyed, there is a possibility that we will no longer experience normal tidal cycles.
The earth would be destroyed
we would die
Should Earth ever collide with a black hole, it would get destroyed.
Basically cataclysm. Because of the rapid changes in the earths level, im guessing you mean. Would mean that there would be too much ocean floor, and the cause would be if you meant the Earth would happen, well not much just we would lose a lot of water from the ocean.
Then nobody would have any kind of plant life!!!
If the earth's supply of energy stopped, Caveman time!
all life would wither away soon after