Which of the following was NOT a main reason why world populations have increased? 0
Better health care
1
Longer working hours
More food and better nutrition
Cleaner water

Explanation:

longer working hours is not a main reason

the answer is option c.

explanation:

recycled water alludes to the water that being utilized again after it already  used for farming purposes.   this kind of water frequently contains pharmaceutical gathering due to the compound compost that is utilized for the plants is consumed into the water.