Answer:
Asking students to wash their hands on routine basis and also to keep the area clean.
Explanation:
Hand sanitization is very important and hence considered as a primary step to control infection. Students should wash their hands on routine basis. Also, they should keep the area clean.
Answer:
A supertype entity
Explanation:
A supertype is a form of entity which has one or even more subgroups to relate to. A subtype is an entity type sub-group of entities that is relevant to the organisation and shares similar characteristics or relations which are different from certain sub-groups.
The entity supertype is a different form of entity type which has relationship with one or even more subtypes and includes subtypes ' of specific attributes.
