A) By far the most groundwater is used for livestock.
B) By far the most groundwater is used by farming households.
C) By far the most groundwater is used for irrigating crops.
D) By far the most groundwater is used for public supply in farming communities.
Out of these options, I believe that the answer is C because Farmers required a lot of water for irrigation, though it depends on the time period whether it's modern day or 1700s, etc. in order to officially tell.
Fungal species help other organisms in their ecosystems in many ways, <span>Fungi are decomposes - they recycle the dead organs. </span>They also maintain overall stability in ecosystem.