One effect that plentiful harvests had on ancient civilizations of the mainland's river valleys was to help have larger populations and the need to have materials to survive.
Answer:
1. folding caused by tension stress
Explanation:
An idealized strike-slip fault runs in a straight line with a vertical dip and has only horizontal motion, thus there is no change in topography due to motion of the fault. In reality, as strike slip faults become large and developed, their behavior changes and becomes more complex.
A flow resource is a resource which is neither renewable nor non-renewable, and must be used where it occurs and replenishes itself.