Why planting farming is costly in south asia? Define live stock rangeing farming why this farming famous in europe?

Anstobacco uses;  

Yes there is faults near and around salt lake city. the oldest rock is the darker rocks. also it is a geologic map.i hope this !

Answer is b)eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the watereutrophication occurs when there are excess nutrients in a body of water. this results in plants having more food and reproducing  more, sometimes leading to more aquatic animal life as well. ultimately, this can reduce the oxygen level in the ecosystem.