Does the gardener water the plants ?

Rewrite the sentence in passive voice. The gardener was watering the plants.

In botanical gardens and tea gardens , gardeners trim the plants regularty so that they remain bushy .Does this practic have any scientific explanation?

In botanical gardens and tea gardens, gardeners trim the plants regularly so that they remain bushy. Does this practice have any scientific explanation.

A gardener waters the plants by a pipe of diameter 1 cm . The water comes out at the rate of 20 cc/s . The reactionary force exerted on the hand of the gardener is

In a rose garden, there are 32 rose plants in the first row, 29 in the second row, 26 in the third row and so on. There are 5 rose plants in the last row. How many rows of rose plants are there in the rose garden ?