Greening the Globe — Unit test Answers

Globally, sea levels have risen by _____ inches over the past 100 years. A. 2 B. 3 C. 5 D. 7 Please select the best answer from the choices provided.

Which of the following definitions best characterizes foraging? A. producing iron using forges B. living off the land without modifying it C. preparing food that can be preserved D. destroying natural habitats Please select the best answer from the choices provided.

Which of the following issues is the most pressing environmental concern in the Middle East? A. air pollution B. water scarcity C. land salinization D. mineral resource depletion Please select the best answer from the choices provided.

One negative consequence of the creation of the Aswan Dam has been __________. A. a reduced ability to produce electricity B. the reduced length of the agricultural growing season C. unpredictable flooding levels that often destroy crops D. smaller soil deposits that require more artificial fertilizers Please select the best answer from the choices provided.

Geographic barriers can influence groups of people to form cultures in isolation because they prevent the influence of outside factors. Please select the best answer from the choices provided.