Which of the earth's layers is represented by the number two (2) on the image above?
a.
the mantle
b.
the outer core
c.
the inner core
d.
the crust

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

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).

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?