Its 'B' <span> flowers that are planted in soil that is too rich</span>
Imagery is used to appeal to our five senses (smell, sight, taste, touch, and hearing.) Out of all the choices, B is the only one that does not use any of the five senses.
The population of Marsh grasses might increase if the population of Herons decrease because the herons use the marsh to live in and potentially eat. I hope this helps