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Arelationship where each person relies on the other; a give and take relationship

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.

Which characteristics are true of the arabian desert? choose all answers that are correct. has land mostly below sea levelcovers almost the entire arabian peninsulacontains the largest sand sea in the worldhas very few people living there