Answer the following questions. (short)
1. How are clouds formed?
2. Differentiate between flood and drought
3. What is water pollution?
4. How is rainwater harvesting done?
5. What is potable water?
6. Define the following.
(a) Evaporation
(d) Freezing
(b) Water cyd
(e) Flood
Answers
Answer:
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Explanation:
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Answer:
1. Clouds are created when water vapour, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. You hang up a wet towel and, when you come back, it's dry.
2. The main difference between Drought and Flood is that the Drought is a extended period when a region notes a deficiency in its water supply and Flood is a overflow of water that submerges land. Periods of heat can significantly worsen drought conditions by hastening evaporation of water vapour.
3. water pollution is the contamination of water bodies, usually as a result, of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems.
4. Rainwater harvesting is collecting the run-off from a structure or their impervious surface in order to store it for later use. Traditionally, this involves harvesting the rain from a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessels.
5. water which are fit for drinking is known as potable water.
6. a. Evaporation : Evaporation is the process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils; in particular, the process by which liquid water enters the atmosphere as water vapour.
b. Freezing : Freezing is a phase transition where a liquid turns into solid when it's temperature is lowered below it's freezing point. In accordance with the internationally established definition, freezing means the solidification phase change of a liquid or the liquid content of a substance, usually due to cooling.
c. Water cycle : The water cycle, also known as hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of earth.
d. Floods : A flood is an overflow of water onto land that is normally dry. Floods can happen almost anywhere.
Explanation:
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