Correct Option: D

Topiary is the art of ornamental gardening. Landscape designers grow outdoor topiary by trimming bushes and trees the way a sculptor works stone.

Fig:Topiary, the art or practice of clipping shrubs or trees into ornamental shapes.
24.2 to 2
Let, area of the plot be x.

Net density/ Gross density =	(8000/0.5x)	= 2
	(8000/x)

So answer is 2.