Consider the following statements and choose the correct answer:
1. Hygroscopicity may be defined as the power of solids to adsorb water upon their surface
2. A finely divided soil holds less amount of water drawn from below than a soil with larger particles
3. Water held by capillary action is influenced by gravity
4. The gravitational water is that surplus of water which, after rain, gradually sinks downward, under the influence of gravity