On the most basic level, the ancient river valley civilizations influenced classical empires because they influenced civilization, period. The river valley civilizations are the most lasting and historically attested instance of the greater phenomenon of humans moving from a nomadic lifestyle based on hunting and herding to a sedentary one based on agriculture.
Answer:
They still made sure they were safe from people, and after that they most likely moved to a new place.
Explanation: I passed 5th grade
I’m not quite sure but I think it’s A
Because they had coordinated houses that were beautifully designed and had the houses made in graphs
The environmental impact of mining<span> includes </span>erosion<span>, formation of </span>sinkholes<span>, loss of </span>biodiversity<span>, and </span>contamination of soil<span>, </span>groundwater<span> and </span>surface water<span> by chemicals from </span>mining<span> processes. Besides creating environmental damage, the contamination resulting from leakage of chemicals also affect the health of the local population</span>