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प्रश्न
What is a natural resource? Name three important natural resources.
उत्तर
Natural resources are the things present in the environment that can be used by humans. Three important natural resources are water, fossil fuels, like coal and petroleum, and forest and wildlife.
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संबंधित प्रश्न
List two main causes of the pollution of water of the river Ganga. State how pollution and contamination of river water prove harmful for the health of the people of neighbouring areas.
The activities of man had adverse effects on all forms of living organisms in the biosphere. Unlimited exploitation of nature by man disturbed the delicate ecological balance between the living and non-living components of the biosphere. The unfavourable conditions created by man himself threatened the survival not only of himself but also of the entire living organisms on the mother earth. One of your classmates is an active member of 'Eco club' of your school which is creating environmental awareness amongst the school students, spreading the same in the society and also working hard for preventing environmental degradation of the surroundings.
State the importance of green and blue dust-bins in the safe disposal of the household waste
Give one example each from your daily life where the domestic waste can be effectively reused and recycled.
What are the different ways in which water gets contaminated?
State whether the following statement is true or false :
Chipko Andolan was associated with the conservation of wild animals such as tigers and lions.
Write a short note on 'Chipko Andolan' (Hug the Trees Movement).
The Chipko Andolan is associated with :
(a) Tigers
(b) Turtles
(c) Trees
(d) Tomatoes
The government launched the ‘Ganga Action Plan’ (GAP) project in 1985. The main purpose of this project was to ______
The main cause for abundant coliform bacteria in the river Ganga is
The pH of water sample collected from a river was found to be acidic in the range of 3.5 – 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?
