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____________________ is a way to grow food on steep slopes or mountainsides without depleting topsoil.
Q21: Since the AIDS virus has reduced life
Q23: In an ecocity, plants are utilized to
Q25: Which area on the graphic represents an
Q33: These diseases are the three largest viral
Q49: On the ocean life zones figure, choose
Q55: Neurotoxins are always synthetic chemicals.
Q61: An oxygen sag curve occurs when<br>A)Fish population
Q65: Habitat fragmentation<br>A)can create barriers that limit the
Q103: Technological advances have allowed humans to avoid
Q123: India _ family-planning program.<br>A)had the world's first