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The German origin of the Tsarina Alexandra
Poor advisors like the Monk Rasputin
The huge cost of fighting in the World War I
Both (a) and (b)
Answer:
C. (3) 3%
(4) Deforestation
(5) Sewage
D. (1) Water exists in many forms, such as a liquid, a solid, as in snow and ice, underneath the land surface as groundwater, and in the atmosphere, as in clouds and invisible water vapor.
(2) Water table, also called groundwater table, upper level of an underground surface in which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone that lies below it from the capillary fringe, or zone of aeration, that lies above it.
(3) the two types of drawing out ground water are bore well ,wells. A water well is an excavation or structure created in the ground by digging, driving, boring, or drilling to access groundwater in underground aquifers.
(4) i) Industrial production generates a lot of waste which is channelised to water bodies. ii)Domestic activities like bathing, Washing clothes and utensils also produce sewage.
(5) • Run hot water through the drain after every use.
• Throw a handful of baking soda in the drain and then pour some hot water.
• Do not throw solid like left over food, ice, leaves, cotton, polythene bags etc.
E. (1) Water is essential for living organisms to survive. As population increases, the requirement for water also increases. More the number of living people on earth , more water is required for their survival. Hence, increase in population is responsible for water storage....