Question

A) Fill in the blanks :

1. The calamine solution used for neutralizing at sting contains ...........................

2. ............... has buds in the margins of leaves.

3. .................. is the step well in which the rainwater is collected and stored.

4. Cleaning water is a process of removing. ......................
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Answer 1

1st acid 3rd is rainwater harvesting 4th answer harmful things from it