Ls forest fire human induced or natural cause of dusater?

yes, forest fire is cause of natural disaster because it destroy forest area and also harmful to humans and wild animals living in forest.

answer; (b); i believe its indefinite existence of human population in a healthy and prosperous condition;

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks