One reason biodiversity is such an important aspect of sustainability is that it ____.
a. maintains a ready supply of new materials for water, soil, and food
b. is the ultimate source of energy for plants
c. provides vital ecosystem services through the interactions among species and keeps
any population from growing too large
d. makes life less susceptible to constant adaptation and changing environmental
conditions
e. increases ecotourism in less developed countries
What process can lead to desertification?HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYconservation tillage
b. HTMLENTITY#8203HTMLENTITYsevere and prolonged drought
c. HTMLENTITY#8203HTMLENTITYcrop rotation
d. HTMLENTITY#8203HTMLENTITYpolyculture farming
e. terraced crop arrangementsHTMLENTITY#8203HTMLENTITY
What causes soil salinization?HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYdesertification
b. HTMLENTITY#8203HTMLENTITYtoo little irrigation on crops grown in dry
climates
c. HTMLENTITY#8203HTMLENTITYusing seawater to water crops
d. HTMLENTITY#8203HTMLENTITYrepeated irrigation in dry climates
e. continual application of fertilizers that contain salt
compoundsHTMLENTITY#8203HTMLENTITY