Which statements correctly describe the Great Wall? Select all correct answers.

It was built along the southern border of Qin's empire.

The entire structure was built during the Qin dynasty.

It can be seen from the moon.

It is the longest man-made structure in the world.

It was built to protect Qin's empire from foreign invasion.

It was built along the southern border of Qin's empire.

It is the longest man-made structure in the world.

Explanation:

this is the answer i think

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.

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the northwest territory became the most densely populated area in the u.s.