The are nomadic hunter-gatherers who inhabit the kalahari desert.

What causes the cyclical changes in the appearance of the moon?

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?

Almost 98% of earthquakes occur at the boundary of a tectonic plates when they slide against one another. despite this, indiana still has seismic zones that experience increased seismic activity. this is particularly heavy in the wabash valley fault zone in the southwest corner of the state. how do you explain how seismic activity is felt in this area?