Which of these descriptions describes desertification? A.
the ability of humans to adapt to conditions in the desert
B.
the process of converting deserts into habitable land
C.
the process by which fertile land converts into desert
D.
the ability to divert a water flow with a human-made dam

Which of the following situations best represents a hereditary change in leadership? a.a president leaves office, and a political rival is elected.b.a legislator resigns, and the country elects a replacement.c.a queen dies, and her son becomes king.d.a general seizes power and establishes a military state.