The Ridge and Valley region is most known for its production of O iron ore
O carpets and textiles.
O coal
O poultry

answer; /// i believe that the correct answer is(cognitive revolution);

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.

your answer would b. the missisipi river

hope i you : )

it should be d or b but i'm sure it's d