Question

what will happen if forest disappear in our planet

Answer 1

if forest disappear in our planet
there will be no oxygen
no rain there will be drought
carbon dioxide content will increase
all animal , birds including humans will die
earth will be dead planet

Answer 2

if the forests will disappear ..............then none of the living organisms will be able to stay alive .....oxygen is the most imp. and vital  thing that we get from the trees.forests are referred to as lungs of earth......so if those lungs  go,nothing will be alive......all the living things will slowly and gradually  die due to the lacking of oxygen.......