1. In the plot of production, which factors have increased most from 1960 to 2008? Roughly what is..


1.       In the conspire of evolution, which factors bear increased most from 1960 to 2008? Roughly what is the fitness of aggregate evolution in 2008 to aggregate evolution in 1960?

2.       If each cell phone contains 0.03 g of gold, how plenteous would be in 5 billion phones?