In adults, infection sets in when the tear duct is blocked, sometimes as a result of the natural growth pattern of surrounding bones. Their growth narrows the tear ducts, causing a blockage, which allows bacteria to collect and gradually grow.
Q: What is regulation in an economic system? Regulation is the placing of limits or restrictions on business activity by the government. Regulation is the placing of limits or restrictions on business activity by the government. . activity by producers. Regulation is the removal of limits or restrictions on business activity by the government. Regulation is the removal of limits or restrictions on business activity by producers. A:  activity by the government is regulation in an economic system.
Circulation model of economic flows for a closed market economy. An economic system is a system of production, resource allocation, and distribution of goods and services within a society or a given geographic area. It includes the combination of the various institutions, agencies, entities, decision-making processes, and patterns of consumption that comprise the economic structure of a given community. As such, an economic system is a type of social system. The mode of production is a related concept. All economic systems have three basic questions to ask: w