Answer:
South America's geologic structure consists of two dissymmetric parts. In the larger, eastern portion are found a number of stable shields forming highland regions, separated by large basins (including the vast Amazon basin). The western portion is occupied almost entirely by the Andes Mountains.
Explanation:
<span>the magnetic compass and gunpowder</span>
The ratio of starlight to sunlight is much, much smaller than 0.5%. A value of 0.0000001% is far more accurate.
I'm pretty sure some they are People adapt to their environment, changes to the earths enviroment can be benificial, Changes to the earth environment can be harmful, people change their environment, I'm sorry if I'm wrong on some of these. I hope this helps also :)
Chronology is defined as a sequential order of events.