In regard to the problem of water supply, scientists believe _______.
A、more water should be allocated to satisfy energy demand
B、 food production must be increased to 70% by mid-century
C、energy demand will intensify pressure on water resources
D、electricity generation must be increased by 60% 30 years later
A、more water should be allocated to satisfy energy demand
B、 food production must be increased to 70% by mid-century
C、energy demand will intensify pressure on water resources
D、electricity generation must be increased by 60% 30 years later