Examlex
Cigarette smoke is a complete carcinogen because it acts as both an initiator and a promoter.
Barrier
An obstacle that prevents movement or access or the achievement of a goal.
Less Developed Countries
Countries characterized by low levels of income, industrialization, and modernization, and often marked by high rates of poverty and economic vulnerability.
Stratified
Divided or classified into different levels, classes, or groups, often based on certain criteria or characteristics.
Prosperous
Describes a state of being successful, usually financially, characterized by growth, wealth, and good fortune.
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