Question

What would happen if there were no trees? How did men in olden days make use of trees?

Answer 1

Answer:

Life could not exist on Earth without trees because they produce most of the oxygen that humans and wildlife breathe. Trees absorb carbon dioxide from the atmosphere and release oxygen using the process of photosynthesis. ... Forests act as giant air filters for the world.

Explanation:

Answer 2

Answer:

Life could not exist on Earth without trees because they produce most of the oxygen that humans and wildlife breathe. Trees absorb carbon dioxide from the atmosphere and release oxygen using the process of photosynthesis. ... Forests act as giant air filters for the world.

... hope it helps ...