Find the appropriate word for blank 9 ........

In the passage given below there are blanks, each followed by a word given in the brackets. Every blank has five alternative words given in options. Find the word which best suits the respective blank. If the given word suits the blank, mark 'no correction required' as the answer.   

An important call to (1) (safeguard) the world’s freshwater supplies has come from scientists, government leaders, and civil society representatives who met recently in Stockholm for World Water Week. As population and incomes grow, with (2) (voracious) consumption, there is a sharp rise in the demand for water for direct use, and as a/an (3) (input) for food production. Many countries are also experiencing rising demand for water to grow bio fuel crops. The global supply of freshwater, which every individual needs at the rate of 1,000 cubic meters per year to meet his/her minimum drinking, hygiene, and subsistence requirements is under (4) (turmoil). (5) (impulsive) monsoon patterns attributed to climate change are adding to the (6) (grief). The message to governments is that they must respond urgently with practical schemes or face (7) (animating) conflicts over water in the not-so-distant future. The priority must be to reduce water intensity in farming, the biggest single user. Even a small but (8) (mammoth) saving in irrigated agriculture can deliver more water for people. That is clear from an International Water Management Institute forecast. Without (9) (evolved) farming techniques which include measures such as waterproofing of canal surfaces, the(10) (volume) of water lost due to evaporation annually could, by mid-century be nearly double the present level of 7,130 cubic kilometres.

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