Question

What happens if theirs no trees?

Answer 1

Trees are useful to use in many ways. They are provide us oxygen, purify air, contribute in water cycle, contribute in climate change, provides us wood, food, make environment cool, gives shade/shelter, gives us medicine, protect wildlife etc.

Answer 2

Answer:

if there are no trees there is no oxygen i.e exchange of gases

then we will die

this is the main cause