Why do you think it talks about putting fish in the tank? What do you think the fish eats?
What will happen when oil is spread on the water?
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Solution
Disclaimer: The purpose of this section is to make the students interact actively with the people around them and their surroundings. The process calls for critical observance based upon which they can draw certain conclusions. Considering the sustenance of this process of interaction the answer to this question has not been provided.