Advertisements
Advertisements
प्रश्न
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
विकल्प
minerals
water
soil
plastic
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
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
Most of the sources of energy that we sue represent stored solar energy. Which of the following is not ultimately derived from the sun's energy?
(a) wind energy
(b) geothermal energy
(c) fossil fuels
(d) biomass
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Fill in the blank
__________ are examples of renewable energy resources.
Can you tell?
Why should we save energy?
Can you tell?
What are the non-conventional energy resources?
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.
