Question

Wildflowers can be substituted with mowed grass on highway shoulders and medians.

Answer 1

Wildflowers can be substituted for mowed grass on highway shoulders and medians.

Explanation:

Wildflowers can be substituted for mowed grass on highway shoulders and medians.

Here the preposition has been used to connect two sentences. For is used to specify the important point in the sentence. Preposition is showing how an object should be positioned in relation to something else.

Meaning of the sentence- In place wildflowers mowed grass should be used on the highway shoulders & Medians