Advertisements
Advertisements
प्रश्न
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Oxygen in air is an inexhaustible natural resource because oxygen can be used again and again.
APPEARS IN
संबंधित प्रश्न
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides
(b) sulphur oxides
(c) sodium oxides
(d) carbon oxides
What is biomass? Give three examples of biomass.
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
Name the major component of biogas.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
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 a few major producers of petroleum in the world.
Name two forms of sea energy.
