Which of the following is not a factor that contributes to the desertification of an area?
a. jet stream
b. erosion by wind
c. changing climate conditions
d. the mismanagement of land by people

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.