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प्रश्न
Fill in the blank
__________ are examples of renewable energy resources.
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उत्तर
Sun, water, wind are examples of renewable energy resources.
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संबंधित प्रश्न
Why are fossil fuels classified as non-renewable source of energy?
Name any four fractions obtained from petroleum which are used as fuels.
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
State two important uses of natural gas
What are fossil fuels? Give three examples of fossil fuels.
Describe how fossil fuels were formed.
Name the original source of wind energy.
Name the constituents of biogas.
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
Fill in the following blank with suitable word:
Biomass is another form in which ........... energy manifests itself.
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
Fill in the blank
Solar cells use the power supplied by the ______.
Fill in the blank
_______is the coal with the highest percentage of coal.
State whether the following is True or False.
Coal takes millions of years to form.
Name two forms of sea energy.
Acid rain happens because ______.
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Coal is one of the ______ used to cook food.
