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.
Regulation(noun) the act of regulating, or the state of being regulated. Regulation(noun) a rule or order prescribed for management or government; prescription; a regulating principle; a governing direction; precept; law; as, the regulations of a society or a school. Regulation.