2. How are sedimentary rocks deposited?

Through Erosion

Explanation:

When rocks erode, they are transported to another location. They stay until other rocks which are in small fragments clump together to form it. It is mostly from sea or areas where there was a sea eg. desert because they erode and fall into the sea and as time goes on, layers of rock begin to form and creates a sedimentary rock

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