People in early civilizations usually lives close to a. important natural resources b. major urban areas c. mountains d. plains

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: mining of copper is a good thing because ,it is not carcinogenic to environment.copper resources are estimated at nearly 5.8 trillion pounds of which only about 0.7 trillion pounds (12%) have been mined throughout history.yes copper is the best metal for conducting electricity as it is used in electric wires.if someone falls into a mine he or she may get hurt if they do not wear any safety equipments or fall accidently, it depends on how shallow or high is the mine . the actual cost of a dump truck varies significantly depending on the truck itself, with a range between $100,000 to $150,000 for a new purchase, and a drastic swing between $15,000 to $100,000 for a used purchase.

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