They faces serious attacks by the indians and sometimes from disease that spread from person to person and sometimes killed whole settlements.
There were also accidents and the fear from drowning in the river.
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Answer:
3.8 billion years ago
Explanation:
The ocean formed billions of years ago. Over vast periods of time, our primitive oceans formed. Water remained a gas until the Earth cooled below 212 degrees Fahrenheit . At this time, about 3.8 billion years ago, the water condensed into rain which filled the basins that are now our oceans.
A. This is because when you do it then thats the result so you can clearly see why its what it is when that happens
