One of the possible early sources of energy was/ were

C O_{2}

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Chlorophyll

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Green plants

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UV rays and lightning

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Solution

The correct option is D UV rays and lightning
Among energy sources used by nature early were UV radiation, intermitant lightning ionising radiation and even thermal energy.
So, the correct answer is 'UV rays and lightning'

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Similar questions

Mark the correct answer in each of the following.

(i) Early man was frightened of

(a) lightning and volcanoes.

(b) the damage caused by them.

(ii)

(a) Fire is energy.

(b) Fire is heat and light.

C O_{2}

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