Sam demonstrated the formation of a type of rock. he stacked layers of cake, frosting, and jam and then squeezed the stack. the different layers came together after squeezing. the formation of which type of rock did sam demonstrate? eroded rock igneous rock metamorphic rock sedimentary rock

sedimentary rock because this rock forms when layers of rock squish together after long periods of time.

Explanation:

i gotchu

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