Which list has the classes of elements in order from most reactive to least reactive?

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.

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

Explain how tectonic plate movement creates geological events and features.