What empire fell when it was attacked by outside invaders

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.

Describe how gravity and convection work together to move the plates in the plate tectonics theory

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?