Natural threats resulted in what several changes that are difficult to resolve, but the man still has collaborated and is trying to preserve the Earth's environment, to remain the same.
The nature of the threat has changed many things which are hard to fix. But today, the man was healed together and try to preserve the environment of the world back to the original.
The threatening nature resulted in several things changed which is difficult to resolve. But nowadays human beings together and try to maintain the environment of the remedy the world back to normal.