If a tree falls then sunlight becomes available to the surrounding plants.
Like all plants, it needs sunlight and warmth to grow.
If a tree falls, then sunlight becomes available to allow growth.
If a tree falls, then sunlight becomes available to what?
Options:
[1] kill insects
[2] growth
[3] scarce resources
[4] allow growth
[5] important habitats
[6] Tropical
[7] develop poison
[8] burn trees