B is the answer! Hope this helps :)
This relates to Evolution
Find the sunny spot, dig and loosen up the soil, mix the nutrients, plants the seeds , and finally water them well.
Answer: The answer is B
Explanation: It’s P2O3 and P4 and O3, to balance them you have to put a 2 in the first so it’ll be P4O6 ——— P4 , O6.