Question

The edd and flow of tides_ explained by newton​

Answer 1

Answer:

Ebb and flow' is a compound subject with the coordinating conjunction 'and. ' Compound subjects joined by 'and' are usually treated as plural and need plural verbs. However, in this sentence, 'ebb and flow' is considered as a single unit or entity, hence it is treated as a singular subject and requires a singular verb.