【正确答案】正确答案： Forest Fire Forest fire or wildfire is often used to signify an uncontrolled intense fire / that breaks out in the wooded areas / due to many factors ranging from natural to man-made causes. / Wildfires can be witnessed throughout the world and they usually occur in cycles. / Mild forest fires are often considered beneficial, / as growth of many plant species depend on it. / Many plant species also depend on wildfires for reproduction. / However, the large forest fires can have serious damaging effect on the surrounding environment. / Some important causes of it are lightning and volcanic eruptions. / Besides these, sparks from rock falls can also cause forest fires. /