Which is the example of most purest substance in the following?
a air
b granite
c aluminum
d salt water

Agerman mapmaker named a continent after me

Why did friedrich hayek call expansionary spending dangerous? o he felt it could lower the money supply and cause deflation. o he felt it could lead to inflation and poor decisions by consumers. o he felt it could lead to deflation and poor decisions by consumers. o he felt it could lower available credit and cause a drop in prices.

What period of history refers to the time when people did not have written records