6. forest fires often happen in the summer every year because their summer weeds in the woods or from deciduous trees. The leaves are dry and ignite easily.
6. Forest fires often occur in the summer every year. In the summer, the weeds in the wild or from defoliation of trees. The leaves are dry and combustible
6. Forest fires, often occur in summer every year. Because in the summer the weeds in forest or deciduous tree from The leaves to drought and flammable.