Question

what is the mean by thick forest​

Answer 1

Answer

The foliages of trees are very close to each other and form a very thick canopy. Only approximately 1% of the light that gets to the canopy reaches the ground and so the lower branches are too dark to let leaves develop and there's virtually no undergrowth.

Answer 2

Answer:

The foliages of trees are very close to each other and form a very thick canopy. Only approximately 1% of the light that gets to the canopy reaches the ground and so the lower branches are too dark to let leaves develop and there's virtually no undergrowth.