Question

2) Trees should be planted on both sides of the road.​

Answer 1

Answer:

In landscaping, an avenue, alameda, or allée, is traditionally a straight path or road with a line of trees or large shrubs running along each side, which is used, as its Latin source venire ("to come") indicates, to emphasize the "coming to," or arrival at a landscape or architectural feature.

Answer 2

Answer:

Planting trees along the road it will absorb or clean water that runs over the road. There by it can reduce the chance of flood and soil erosion. And also helps to improve cleaner water supply. And an important benefit is these trees can provide reliefs to humans, birds and animals from the ultraviolet rays of the sun and rain.

Hope it helps you