Which statements correctly describe the Great Wall? Select all correct answers. It can be seen from the moon. It was built to protect Qin's empire from foreign invasion. It is the longest man-made structure in the world. It was built along the southern border of Qin's empire. The entire structure was built during the Qin dynasty.

Which state has the highest killing rate?

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle