Question

3. For more than a millenia, cowries or sea shells were
used as form of:​

Answer 1

Explanation:

For more than a millennia, cowries (the Hindi cowdi or seashells, used as a form of currency) from the Maldives found their way to China and East Africa. The long-distance spread of disease-carrying germs may be traced as far back as the seventh century.

Answer 2

Answer:

early 3000 BC an active trade linked the industry valley civilizations with west Asia.

Explanation:

for more than a millenia ( a period of thousand years) , cowries( sea shells) used as a form of currency from malidives to China and east Africa.