-4 Explain the meaning of the following terms:
1. Rain water harvesting
2. Drip irrigation in agriculture
3. Saturated solution
4. Conservation of water
5. Gaseous state of water in air
Answers
Answer:
Rain water Harvesting is a process by which we collect rain water.
Drip irrigation in agriculture is a process by which water goes only into the roots of the plants.
Conservation of water is nothing but save water from its wastage. And use it carefully.
Gaseous state of water in air is water vapour.
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Answer: rain water harvesting : Rain water harvesting (RWH) is catching rain water when it falls and storing to use during the non-rainy season. Harvested rain water can be utilized for several purposes including drinking, washing, gardening, flushing etc. This is practiced throughout the world and it is increasing in demand.
deep irrigation agriculture : Drip irrigation is a type of micro-irrigation system that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants, either from above the soil surface or buried below the surface. The goal is to place water directly into the root zone and minimize evaporation.
Explanation: Saturated solution : A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. At 20°C, the maximum amount of NaCl that will dissolve in 100. g of water is 36.0 g. ... When 40.0 g is added, 36.0 g dissolves and 4.0 g remains undissolved, forming a saturated solution.
Conservation of water : Water conservation is the practice of using water efficiently to reduce unnecessary water usage. According to Fresh Water Watch, water conservation is important because fresh clean water is a limited resource, as well as a costly one.