Question: How can I create my own potting soil mix?

  Options: 
 A. To make your own potting soil, mix 3 parts old soil, 1 part vermiculite, 1 part ring worm compost and a few scoops of fertilizer.
 B. To make your own potting soil, mix 3 parts old soil, 1 part vermiculite, 1 part worm compost and a few scoops of fertilizer.
Answer: B