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F By dumping garbage into rivers, ponds, canals, etc.
F By throwing industrial waste into the water bodies.
Rivers, lakes, ponds, wells, hand pumps are other sources of water.
We should not waste water.
KEY
Agriculture : Growing crops at a very large scale.
Crop : Produce of cultivated plants.
Let Us Recallet Us Recallet Us Recall
L L
Exercise
A. Oral questions :
1. What is the main source of water?
2. Why is water important for farmers?
Book-1 # 30

