What concepts are you talking about...?
All the first civs were located near a river. Rivers were essential to development because soil was richer = more crops
Answer:
A model invented by researchers at MIT and Qatar Computing Research Institute (QCRI) that uses satellite imagery to tag road features in digital maps could help improve GPS navigation. Showing drivers more details about their routes can often help them navigate in unfamiliar locations.
Explanation:
The financial crisis<span> of 2007–</span>2008<span>, also known as the global </span>financial crisis<span> and the</span>2008 financial crisis, is considered by many economists to have been the worstfinancial crisis<span> since the Great Depression of the 1930s. ... The </span>crisis<span> was nonetheless followed by a global </span>economic<span> downturn</span>