1 Nearly one-fifth (19%) of juvenile violent crimes occur in the 4 hours between 3 p.m. and 7 p.m. on school days. 2  A smaller proportion of juvenile violent crime (15%) occurs during the standard juvenile curfew hours of 10 p.m. to 6 a.m. (inclusive of both school and nonschool days).
Cause. Sooty mold is a fungal disease initiated by a combination of feeding insects, such as whiteflies and aphids, and fungi. Insects feed on the gardenia for the sap in the foliage and stems. The insects take in large amounts of sap and expel the leftover as a sticky liquid called honeydew.
Pure silver is not susceptible to tarnish. However, the copper that is contained in sterling silver may react to the oxygen in the air and cause sterling silver to tarnish. Perfumes, hair sprays, and profuse sweating can also cause a quicker formation of tarnish.ure silver is not susceptible to tarnish. However, the copper that is contained in sterling silver may react to the oxygen in the air and cause sterling silver to tarnish. Perfumes, hair sprays, and profuse sweating can also cause a quicker formation of tarnish.