Which of these most accurately describes the role of certain bacteria living in and around plant roots in the soil?
A)
cO
They aerate the soil, providing necessary oxygen for the plant.
They convert carbon dioxide into starch, a usable form for the plant.
They accelerate weathering to allow ready access to phosphorous for the
plant.
D)
They convert elemental nitrogen into ammonia and nitrates for uptake by
the plants.biii