It depends on the species because most mushrooms help by sharing the phosphorus with the tree
Not enough information!
Its pretty simple if you think about it.
Answer:
A. PO43-
Explanation:
in the given is buffer . so H2PO4- and HPO42- both are present with equal concentration . Na+ is spectator ion it is also present in the concentration higher than the given species above .
but PO4-3 is not present . so it is lowest concentration
The organization is based off solitaire and many of the elements are the same