The main reason for the wall's construction had always been defense. Since China's first dynasty, the empire faced a near-constant threat of attack from the nomadic tribes to the north. This included those famed Mongols as well as lesser-known groups like the Xiongnu and the Göktürks.
Answer:
A
Explanation:
because b its not in a valley its a top a hill
not c cuz colossus of rhodes its LITTERLY COLOSSUS
and cant be d cut it cant burn down its made of marble
Somalia is 233 miles northeast of Ethiopia - False;
Salalah, Oman is 385 miles northwest from Yemen - False;
The distance between the two East African nations of Somalia and Ethiopia is actually 0 miles. The reason for that is that these two countries share a border, thus there is no distance between their territories, apart from the imaginary line that is the border.
Salalah, Oman is 384 miles away from Yemen, but it is not toward the northwest, instead it is toward the northeast. Oman as whole is located on the northeast of Yemen, thus Yemen comes to located southwest of Oman.
Answer:
Stabilizing natural selection keeps gene frequencies constant in a population. The normal, most common traits are selected for and preserved so only a limited amount of evolution occurs and species can remain unchanged even over long periods of time.
Explanation:
