Consider the following statements and choose the correct answer:
1. Evaporation is a vital physiological process
2. Transpiration is restricted to living bodies only
3. Evaporation is as low loss of water molecules to the unsaturated atmosphere from the free exposed surface among living and non-living bodies
4. Transpiration is simply a loss of water molecules which do not involve any pressure

A. 1, 2 and 3 are true

B. 2, 3 and 4 are true

C. 1 and 4 are true

D. 2 and 3 are true

Answer: Option D