Which physical feature makes up the eastern boarder of Europe

Which best describes the idea behind the "invisible hand"? producers decide what to make for consumers, which guides the economy. individuals seeking their own self interest benefit the economy as a whole. government sets policy for producers and consumers, which guides the economy. consumers decide what they need and want to buy, which guides the economy.

Some european explorers sailed west looking for the passage to india

What is a common factor all nonprofit businesses share? they pay no income tax. they have no capital. they are national in scope. they perform charitable acts.