How many president has the united state had?
a. 50
b.10
c.25
d.44

organisms

explanation:

i believe it's organisms

hopefully this will

the correct answer is c

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

answerformal;