Question

How the trees helps in increasing rainfall

Answer 1

Growing trees take water from the soil and release it into the atmosphere. Treeleaves also act as interceptors, catching falling rain, which then evaporates causingrain precipitation.

Answer 2

Planting more trees bring rain because plants transpire. Transpiration is a process by which aerial parts of the plants lose water as water vapor during photosynthesis. this water is added to the normal moisture of the air thus making the air saturated faster and brings rain.  In other words, transpiration of the plants play an important role in the water cycle as it adds moisture to the air