• Forests is the natural habitat of many wild animals with the area being covered by dense trees and other flora. Forests provide food, shelter and also helps to promote economy of a nation.
• Disease is an unhealthy condition associated with specific signs and symptoms. Disease may be caused due to external factors like microbes or environment. The process of developing immunity against the disease is called as disease resistance.
• Geographic area specifies a specific piece of land which is marked by a boundary or territory. The physical features present like mountains, lakes, hills, etc are all studied under geography.