Physics
The energy that generates wind comes from what source?

None of these
Solar radiation
Ocean currents
Anemometers

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Physics
Ice is packed in saw dust because

Saw dust is poor conductor of heat.
Saw dust is a good conductor of heat.
Saw dust does not stick to the ice.
Saw dust will not get melted easily.

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Physics
Radiocarbon is produced in the atmosphere as a result of

Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
Lightning discharge in atmosphere.
Action of ultraviolet light from the sun on atmospheric oxygen.
Collision between fast neutrons and nitrogen nuclei present in the atmosphere.

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