2- More environmental pollution
4- Wastage of water.
5- Increase in carbon dioxide.
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Explanation:the length of path coverage by an object ring its motion is called distance .interval at the speed with that the distance covered .the distance covered by an object in unit time is called speed .
Factors affecting this are :
2. Excessive use of ground water by us.
"There are few main reasons that lead to depletion of water resources are:
1. Increased population- Increase in population is one of the major factors which affect the water resources.
2. New industries- New industries are coming up each day which require a lot of water resources which in turn deplete resources.
1. Over utilisation of water.
2. Wastage of water.
3. Changing lifestyle of people especially in urban areas.
4. High yielding varieties of crops require large amount of water.
convex lens concave lens
they used in correction of hypermetropia nd myopia
overuse of water
construct iron of dams
@The factors responsible for the depletion of water level are ;
(i) Increased population : Demand for water has been increased by the increased population. As the number of humans increases, the consumption of water also increases.
(ii) Increasing industries : All industries need water. As the number of human population increase, the number of industries is also increased which definitely increases the consumption of water.
(iii) Lack of water conservation techniques : Main source of water on earth and for the underground water is rain. The water of the rain, if conserved can increase the groundwater level. But this is not due to lack of water conservative techniques.
(iv) Agricultural activities : India is a country which depends on agriculture. The land used for cultivation has increased. So, the consumption of water for agriculture has increased. Irregular rainfall has increased the consumption of groundwater. This has increased the depletion of groundwater.
Factors responsible for depletion of water table are
➡️Increasing population results in increasing demand of Water.
➡️Decrease the area of seepage of water into ground.
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Sea water is only the proportion of water on the earth's surface which is saline is not suitable for consumption. Only rain water and comprising 0.01 % are sources of water. River warer being limited and rivers drying up during the summer seasons, the dependence on ground water is inevitable. The underground water is drawn out by using various devices such as hand pumps and tube wells. This water is again replenished by means of seepage of water into the ground during rainy season.
When there is imbalance between underground water it's replenishment the water table may go down. This is called depletion of water table.
the first imaging sar systems collected data with only one polarization state. and received signals of any polarization, including non-linear polarizations. one polarization signature can show either co-polarized or cross-polarized of the surface at the time of measurement (e.g., ocean waves or vegetation in wind).
ncert solutions for class 7t...