Water harvesting worldwide would impact conservation efforts positively for several reasons. which harvesting result would not be an ecological advantage?
a. since this method is so expensive it does not benefit the poorer countries.
b. it has improved the agricultural production in semi-arid and mountainous regions.
c. solved drinking water problems of people living in semi-arid or mountainous regions.
d. water harvesting has played a significan role in promoting and teaching of ecological and environmental conservation worldwide.