Answer: A!
Explanation: i took the test and got it correct
so pretty sure its A! :)
edit: im not 100% sure!
1. gravity keeps the water moving downward or just in general
2. the water has to move across the surface for so long till eventually it just erodes away.
those are the only two i know sorry.
Thank you for posting your question here at brainly. The unique feature might develop if a culture is situated near a body of water, and that body of water plays a role in the survival of those people is letter B which is "The culture might value water more than others do." <span>because they will start valuing water a lot , an example would be the ancient Egypt</span>
Answer:
The answer is C. it used a micro chip