The Harappan trade links extended to the cities of Mesopotamia. How can you prove it? a Harappan coins were found in Mesopotamia by archaeologists. b Harappan seals have been found in Mesopotamia and several cylindrical seals of Mesopotamia origin found in Indus region. c Harappan seals were not found in Mesopotamia

b. Harappan seals have been found in Mesopotamia and several cylindrical seals of Mesopotamia origin found in Indus region.

Explanation:

Th Harappan Civilization which is known as the Indus River Valley Civilization is known to be the first to develop a standardized weight and measure system which is accurate. The Harappans were known to have created sculpture, pottery, jewelry, seals, etc., from materials like stone, terracotta and metal.

Facts reveal that the Harappans were among those who participated in a vast maritime trade network. In archaeological sites in regions of Mesopotamia, Harappan seals and jewelries were found. Some of the Mesopotamia regions include most of modern day Iraq, Kuwait and parts of Syria.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

rain should be the answer.