Answer:
B. The presence of an earthquake belt.
Explanation:
A rift valley only happens when the plates are diverging. A trench represents plates converging. And the presence of active volcanoes is only on converging and some diverging boundaries (hence there is no volcanoes in California). An earthquake is present in all plate boundaries.
Mansa Musa. the pilgrimage journey exposed Mali to Europe and the Middle East. The king had carried 30,000 pounds of gold, which signified the immense wealth in his empire. This created an impression on his acquaintances.
Answer:
The original boundary between the states of Nebraska and Iowa was the Missouri River. The border departs from the river channel because the river's course moved eastward many years after the boundaries were established.
Explanation:
The boundary between Nebraska and Iowa was the Missouri River. In 1877, the river course moved, and a town called Carter Lake on the Iowa side is now on the Alaska side. Even though Alaska claimed the land, the Supreme Court stated that the area belongs to the state of Iowa. That is why the boundary departs from the river channel.
a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions.