You are presented with the quiz "What has a positive impact on baby plants?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the looseness of soil has a positive impact on a plant 's roots' growth in that soil" and "baby plants grow faster if separated with a large amount of roots". 

So, what's the best answer to the question?


 

     the looseness of soil      