At present, what percentage of the world's people live in cities?
A. 10
B. 25
C. 50
D. 75
B. 25
You might also like to view...
Though they are on the margins of the global agro-food system, organic farming practices are on the rise in the core. In growing crops and raising livestock organically, which of the following is (are) permitted?
A) composted cow manure B) commercial fertilizers C) growth hormones D) synthetic pesticides
Do rotated boudins imply non-coaxial deformation?
What will be an ideal response?
An artesian well is created when the well is drilled into ________
A) an unconfined aquifer under great pressure B) an unconfined aquifer under little pressure C) any groundwater source D) a confined aquifer under little pressure E) a confined aquifer under great pressure
What does the Antarctic Treaty ban?
A) mineral and oil exploration B) nuclear testing C) tourism D) mineral and oil exploration and nuclear testing E) all of the above