The 3 major Rivers are the Seine River, Rhone River and the Loire River.
There’s answers already on another post if you look it up
The main reason why so many people consider economics to be a dismal science is "<span>b. Because it sometimes shows that needs outpace resources" which is usually the case. </span>
<span> Falling demand leads to falling prices, and less production, which leads to a deflationary cycle that spirals out of control. It actually started when agriculture commodities (wheat, corn, beef etc) was over supplied. Followed by an artificially inflated housing market which collapsed when the market corrected. </span>