<span>an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.</span>
Answer:
These areas had the most resources.
Explanation:
When you are settled by rivers, you have the sources you need to grow crops, raise life such as cows, pig, chicken. Not only this but you also have a place to bath, collect drinking water, and wash clothing. Life thrives more on river sides rather than inland during these times as they did not have all the tech we do today.
Answer: gold, ivory, and iron
Explanation:
An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
Well for starters, we have minerals in our bodies like iron, calcium, magnesium, etc. but we also use it for things like electricity and buildings and cars such as we use copper in electricity, iron to make steel, and so on