Answer:
The physical features contributed to the settlements because they were able to create/make sailboat and the wheel.
Explanation:
they did this because it was a land between two rivers that where tigris and euphrates.
Could you post a photo of the graph?
The answer is true.
If they're close they're steep
If they're far the slope will be gentle
I believe your answer is C. incandescent bulb
True not false i know i missed it and put false