Select a u. s national park that you would like to visit. find out how tourism has affected it.

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

answer they showed that organic molecules such as amino acids could be produced from inoragnic molecules;