Answer:
2
Explanation:
Agricultural refers to growth and formation of plants and green nature.
In 1, Water for pet bathing isn't counted because pets aren't plants.
In 3, Water used for pesticide isn't counted because the pests are not mentioned as being on the plants, hence they could be anywhere.
In 4, Water used for cooling towers are also not counted because cooling towers are not plants and agricultural.
Hope this helped
