science
Grade-5
Easy
Question
Most of the energy that fuels ecosystems on earth come from
- Chemicals
- Water
- Sunlight
- Bacteria
Hint:
energy is related to heat and light
The correct answer is: Sunlight
The only source of energy for all ecosystems on Earth is the sun. The radiant light and heat from the sun is the primary, source for most organisms and is used for the production of electricity, fuel, thermal energy, agriculture, etc.
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