The answer is A. An ionic bond transfers, in contrast a covalent bond shares
If it is a healthy environment then the atmosphere will be happy meaning no dirty streets etc
We know that fertilizier could promote the growth of the plant
When washed to the river, it will accelerate the growth of the water plant that exist within that area,
This occurrence will be not beneficial to the water animal because their habitat will be unnaturally blocked by these plants
hope this helps
