Doug gave some people street directions, but because they only nodded their heads and didn't repeat the directions back to him, he doesn't really know whether the directions were understood. what type of barrier is present here

Oppression against people who make less money is called

The graph shows excess demand. which needs to happen in order to stop disequilibrium from occurring? q needs to be coordinated with supply. q needs to be coordinated with demand. the price of goods needs to be increased. the price of goods needs to be decreased.

Most galaxies in the universe are irregular-shaped galaxies. true or false ?