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Earn 100

Name the acid present in the stomach of human body?
Important Questions on Biomolecules and Their Behaviour
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Microbes such as bacteria and fungi can cause food to spoil. We can store dried grapes (raisins), but not the grapes.
Why is it possible to keep dried fruit for a long time than undried fruit?

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a. | Purest form of water | i | Can be removed by boiling |
b | Water Table | ii | Collection of water on surface of Earth |
c | Temporary hardness | iii | Is present on top layer of an aquifer |
d | Permanent hardness | iv | Rain water |
e. | Surface water | v | Chlorides of calcium and magnesium |

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Dams are built to conserve water. Why do some environmentalists oppose the construction of dams?

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