Which was the first country to develop hydroelectricity?
Norway was the first country to develop hydroelectricity.
Which was the first country to develop hydroelectricity?
Norway was the first country to develop hydroelectricity.
Give five ways in which you can save energy at home.
Which one of the following is Not a characteristic of minerals?
Which one of the following is Not a producer of mica?
Which one of the following is a leading producer of copper in the world?
Which one of the following practices will Not conserve LPG in your kitchen.
Give reasons.
Environmental aspects must be carefully looked into before building huge dams.
Give reasons.
Most industries are concentrated around coal mines.
Give reasons.
Petroleum is referred to as 'black gold'.
Give reasons.
Quarrying can become a major environmental concern.
Distinguish between the fallowings.
(i) Conventional and non-conventional sources of energy.
Mock Test Series