Hola como estas como esta usted
So based on your question that states a few trees in garden and one of them is a pear tree, there are pears. But a strong wind blew, there were neither pears on the tree nor on the ground. I think the best explaination to this statement is that some one might pick up the pear tree or it can be that its the wrong tree that is blown.
If you don't you will look un-professional which is not what you want.
Answer:
They support one another through specializing in certain goods, then trading those goods with each other
They support each other by competing against one another, and creating too many products.
Each one provides the same goods, then competes for business.
Explanation: penfoster
