The correct answer is option A, water droplet found on a spider web in the morning
Explanation:
In adhesion, water molecule gets attracted towards other substances as in the case of water droplets lingering on the spider web (Option A)
In case of cohesion, a water molecule gets attracted towards other water molecule as in the case of water molecules forming dew droplet. (Option B)
Evaporation (Option C) is a physical process in which liquid water converts to gaseous water. And also water dissolving salt into a solution (Option D) is a chemical process in which molecular arrangements are considered.
The immune system similar to a tiny police force that always patrols every organ and tissue inside the body. It works closely with the circulatory system for shipment needs and the lymphatic system for the production of lymphocytes.
