With the Fourth of July bringing a possible four-day weekend for lucky Texans, the Texas A&M Forest Service urges outdoor enthusiasts to exercise fire safety outdoors, especially when using fireworks or starting campfires to roast hot dogs and toast marshmallows.Approximately 90% of wildfires are caused by humans and their activities, and the Fourth of July is one of the top days for reported wildfires, according to the forest service.Large wildfires generally are not expected, and none are prevalent currently, but north and northeast Texas has received little to no rainfall since early June. That reduces moisture content and increases the …