81.   The ERCOT price has been developed during the past two years while the cooperative grid-management system took on the extra duties of a wholesale electricity pool.

82.   The fertilized eggs did fine, continuing to develop during the flight.

83.   The enrichment technology used at both plants was developed during World War II, to make the bomb that destroyed Hiroshima.

84.   The incident also suggested a growing role for militants with links to hardline Muslim groups that developed during the guerrilla war in Afghanistan.

85.   The Great Plains and Pacific Northwest usually experience warmer weather later in the year, and fewer tropical storm systems develop during the Atlantic hurricane season.

86.   The hilltop battle developed during a Sunday night attempt to establish a new observation post overlooking a major al-Qaida supply and escape route, he said.

87.   The large-bodied deer had the thick, swollen neck that bucks develop during the rut, or breeding season.

88.   The National Museum of Civil War Medicine in Frederick features military and civilian heroes as well as medical techniques developed during the war.

89.   The pharmaceutical treatments developed during the last decade are quite effective for mood and anxiety disorders, and they have much milder side effects than older medications.

90.   The record low was a result of showers and thunderstorms that developed during the night.