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.
2)Socialist economic system: in this economic system the means of production are owned be the government and almost all the economic activities are controlled by the government. 3)Mixed economic system:In this economic system economic activities is partly controlled by the government and partly by private individuals and their companies.