The decline in institutionalized slavery is historically associated with
A) irrigation.
B) industrialism.
C) hunting-gathering subsistence.
D) pastoralism.
E) intensive agriculture.
Question 2
According to Holling, resilience is the property of an ecosystem that indicates
A) the speed with which it returns to equilibrium after disturbance.
B) that it is maintaining a steady equilibrium.
C) its ability to undergo change while maintaining its basic relationships.
D) that it is near to collapse.
E) none of the above.
The effects of aging can be seen in the decline in function of many physiological systems.
Saline Waters from Irrigation
Irrigation Technology Can Conserve Water
Figure 7.1 shows the rapid decline in the trust of Americans in government since the 1960s. This de
This depiction breaks stereotypes, but is historically accurate. Shown here is an Iroquois fort. Can ...
The Green Revolution and Conventional Irrigation