Turn on Show time probes. Set the left probe at the first brightness peak, and the right probe at the second brightness peak. List the time represented by each probe:

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

answerhydrogenous sediment;

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.