Energy Resources
The products which are helpful in harnessing solar energy, are
solar furnaces
solar heaters
solar cells
all of above
all of above
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Although solar energy is safe, free of pollution and freely available but it is difficult toA. harness
B. conserve
C. store
D. transfer
Sun, wind, running water, tides, biomass, and geothermal resources are known as
A. renewable
B. non renewable
C. reversible
D. irreversible
Tiny organisms which lived in seas and oceans are called
A. mosses
B. algae
C. plankton
D. coral reef
Fossils fuel comes from the remains of organisms which lived
A. 100 years ago
B. 10 years ago
C. 1 year ago
D. 5 years ago
A moving car releases energy during process of burning
A. petrol
B. water
C. diesel
D. coal
Wind is beneficial resource of energy as it doesn’t cause
A. pollution
B. echo
C. noise
D. sound
To play and work, we get energy from
A. food
B. sunlight
C. oxygen and water
D. all of above
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