PDF chapter test TRY NOW
Write True / False against the following statements.
(a). Oxygen in air is an exhaustible natural resource.
(b). Resources which are present in unlimited quantity in nature are called exhaustible natural resources.
(c). Wildlife is an exhaustible natural resource.
(d). Under high temperature and pressure, dead plants get slowly converted to coal.
(e). CNG is less polluting fuel than petrol and diesel.
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