Question

please solve this question....ma apna life ka sara pyaar aap ko da duga...please ​

Answer 1

Answer:

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Ans.1

i) Renewable resources: “Renewable resources are the natural resources which can be used again and again or can be reproduced by physical, mechanical and chemical processes.” Solar energy, air, water and soil are some of the renewable resources of energy.

(ii) Non-renewable resources: “Non renewable resources are the natural resources that cannot be replaced at all or within a reasonable time.” Fossil fuels such as oil, gas and coal are examples of non renewable resources.

Ans.2

Resources are essential for human survival and for maintaining the quality offlife. But indiscriminate use of resources had led to many problems like;

(i) Depletion of resources for satisfying the need of few greedy individuals.

(ii) Accumulation of resources in the hands of few individuals dividing the society into haves and have nots or rich and poor.

(iii) Over exploitation of resources has led to global ecological crisis like global warming, depletion of ozone layer, environmental pollution and land degradation.

And.3

In India 30 per cent area are mountainous 27 per cent are plateaus and 43 per cent are plains, all of these have specific advantages to be utilized.

(i) Mountains are source to many streams and rivers, some of them are perennial. These regions have very high potential for hydro electricity productions, etc and also sites for eco-tourism.

(ii) Plateaus are mostly laden with minerals, fossil fuels and forest, etc so are economically most productive.

(iii) Plains are most important land resource for human beings.

But all these advantages should be exploited sustain-ably.

Ans.4

Stock: Materials, which have the potential to satisfy human beings, but human do not have the appropriate technology to access these, are termed as stock.

Reserves: These are subset of the stock. They can be put into use with existing know-how, but their use has not been started. For example, river water is used as a source of hydroelectricity, but to a limited extent.

Ans.5

India involves most part of the Southern Asia. Regarding its populace, India is a standout amongst the most crowded countries on the planet after China. India has a long history or rich culture and customs. It is world's biggest majority rule government and presently is a most creating country in Asia.

Ans.6

(i) Mining: Mining sites are abandoned after excavation work is complete leaving deep scars in states such as Jharkhand, Chhattisgarh, Madhya Pradesh and Odisha. Deforestation due to mining has caused severe land degradation. 

(ii) Over irrigation: Over irrigation in the states of Punjab, Haryana, western Uttar Pradesh, has caused water logging and increase in salinity of soil. 

(iii) Overgrazing: Overgrazing in states such as Gujarat, Rajasthan, Madhya Pradesh and Maharashtra is a huge cause of land degradation. 

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Ans.7

(i) If the present trend of resource depletion by few individuals continues the future of our planet is in danger 

(ii) Planning is essential for sustainable existence of all forms of life.

(iii) Indiscriminate exploitation of resources has led to global ecological crises.

Ans.8

Resources are important for the development of any country. For example, fossil fuels are essential to generate energy, mineral resources are important for industrial development, etc.

Necessary to conserve resources because:

(i) Their irrational consumption and over utilisation have led to socio-economic and environmental problems.

(ii) It takes million of years for the formation of natural resources.

Ans.9

The relief features, parent material, climate, vegetation and other life-forms as well as time apart from human activities are the major factors responsible for the formation of soil.

Ans.10

Alluvial soil is the main and important soil that spreads across the river plains. ... They are formed by deposition of materials or sediments (alluvium) brought in down by rivers that consist of silt, sand, clay, etc.

Bangar is old alluvial soil.

Ans.11

The role of human resource development is very important in the area of developing a business, this helps to improve the quality of the workers that are involved in the business. It involves developing the learning, knowledge skills and ability of the worker.

Ans.12

Differences between alluvial soil and red soil: Alluvial Soil- It is formed due to depositional activities carried out by rivers. ... Soil Red Soil- This soil is formed as a result of weathering of rocks.It is comparatively less fertile. It can become fertile after adding fertilisers to it.

Ans.13

Features of Arid soil:-

The lower horizons of the soil are occupied by Kankar because of the increasing calcium continent downwards.

Due to the dry climate, high temperature, evaporation is faster and the soil lacks humus and moisture.

Ans.14

Land use pattern refers to the way a particular piece of land us utilized by the authority to manage it in a planned way.

Ans.15

red soil is rich in iron oxide while black soil is rich in humus. 2. red soil is non retentive in moisture while black soil is highly retentive.

Answer 2

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