Many of the achievements of the ancient indus valley civilization was due to their advanced knowledge of there are drop down boxes that say a farming b mathematics c weather paterns or d geography

OPTION CORRECTs are D and B

Many of the achievements of the ancient indus Valley civilization was due to their advanced knowledge of mathematics and geography. More specifyc, those aspect of geography that are related to urban organization. Also, weights and measures that help them to trade with other populations.

It´s remarkable to mention the Indus Valley Civilization had a huge population, some specialist calculate that they were more than five million people. Modern-day northeast Afghanistan to Pakistan and northwest India was the location of the villages.

The Indus Valley Civilization began to decline around 1800 Before Christ. Their technology, as advanced drainage systems or standardized weights and measures started loosing importance and utility.

the answer is typhoon

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