Answer:
d. transpiration
Step-by-step explanation:
Transpiration can be defined as the when plants loss water through the pores of the leaves or the stomata of the leaves.
Precipitation is when water are formed in the atmosphere and it later falls back to the earth as rain, snow etc. Large portion of precipitation in the rain forest occurs as a result of transpiration. With the numerous trees in the rain forest plants loss water in the form of vapor through the stomata of leaves. Plants transpires to cool than the plant when the weather is hots.
The factor affecting the rate of transpiration includes temperature, sunlight, wind and humidity