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.
Economic systems can be categorized according to who makes most of the decisions in an economy. In a Market Economy, most of the decisions in the economy about what to produce, how to produce it and who receives it are made by individuals and firms. At the other end of the spectrum, in a Command Economy, government officials make most of the decisions in the economy about what to produce, how to produce it and who receives it. Most economies are mixed in that some economic decisions are made by individuals and private firms, but some are also made by government officials, either through rules and regulations or through government-owned firms.