Advertisements
Advertisements
प्रश्न
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
पर्याय
Minerals
Water
Soil
Plastic
Advertisements
उत्तर
Plastic
Explanation:
Minerals, water and soil are natural resources but plastic is a man-made material. So, plastic is not a natural resource.
APPEARS IN
संबंधित प्रश्न
State any four characteristics of a good source of energy.
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
Name the biomass which is still widely used as a source of heat energy in many household of our country.
What are the raw materials used for making biogas?
One of the following is not required in the formation of biogas in a biogas plant. This is:
(a) cow-dung
(b) water
(c) oxygen
(d) anaerobic bacteria
The gravitational pull of the moon cause the sea-water to rise periodically.
(a) What name is given to the condition of the sea when water to rise periodically.
(b) What name is given to the condition of the sea when its raised water recedes?
(c) What name is given to the energy which can be harnessed from this natural phenomenon?
(d) Draw labelled diagram to show how this energy can be harnessed from this natural
Name two forms of sea energy.
What is non-renewable resources?
