The organisms on earth do not run out of raw materials because: a)every food chain begins with a producer b)all raw materials are recycled by various processes in an ecosystem c)all populations within a community interact d)energy cannot be created

Hey there!

The organisms on Earth do not run out of raw materials because: all raw materials are recycled by various processes in an ecosystem. Which in this, this would be the reason on why we would not run out of our materials, that stuff we always recycle, in all types of ways in our ecosystem.

Hope this helps you bro! :)

The answer is d. when it begins to fall back to the child's hand