Why is it important to keep a balanced but serious tone when making a presentation on a position?

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.

In 100,000 years, the rotation of earth will be slower by how many seconds?

What was one of the main goals of european exploration