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Answer in brief :

Some tribals depend on the jungle. How?


Some tribals are totally dependent on forests for their food, shelter, clothes and other requirements.

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Answer in brief :

What are the causes and consequences of deforestation?


Causes of the deforestation are industrialization, using land for cultivation, use of wood for furniture and as a fuel. 

Deforestation has grave consequences like increased global warming, frequesncy of natural calamities like flood and drought. Loss of biodiversity and ecological imbalance is also a result of deforestation.

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Answer in brief :

Why should we conserve biodiversity?


Biodiversity, refers to the variety of organisms existing on the earth, their interrelationships and their relationship with the environment. Plants and animals both depend on each other for survival. Thus we need to conserve biodiversity to keep the ecological balance maintained.

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Answer in brief :

Protected forests are also not completely safe for wild animals. Why?


Protected forests are also not completely safe for wild animals because the local people depend on the forest and may kill animals for meat. The poachers may access these areas and kill for their hide.

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What will happen if :

the top layer of soil is exposed.


Top layers of soil is fertile if it is exposed, soil erosion may take place. The soil may lose its fertility and humus. And gradually may lead to the conversion of fertile land to deserts. 

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