EVERYDAY SCIENCE

Detailed explanation-1: -Germs can be easily spread by: Coughing, sneezing, or talking. Touching your face with unwashed hands after touching contaminated surfaces or objects. Touching surfaces or objects that may be frequently touched by other people.

Detailed explanation-2: -The most common mode of spread for respiratory viruses is via (C) respiratory droplet transmission. Virus-laden droplets (generated by coughing, sneezing, or talking) are propelled from an infected person directly onto the mucosal surfaces of a host.

Detailed explanation-3: -Bacteria are transmitted to humans through air, water, food, or living vectors. The principal modes of transmission of bacterial infection are contact, airborne, droplet, vectors, and vehicular.

Detailed explanation-4: -Nose, mouth, or eyes to hands to others: Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends. Simply washing your hands can help prevent such illnesses as the common cold or eye infections.