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Burning of rubber
Burning of petrol
Use of solar energy
All of the above
Which among the given elements does not exhibit natural radioactivity
Which among the given elements is not present in stainless steel
Which among the given elements is not radio-active
Which among the given elements is obtained from sea weeds -
Which among the given features are common in silver fish, crab, cockroach, honey bees?
Which among the given fibres catches fire least
Which among the given gases is mixed with oxygen for breathing by divers in aqualungs -
Which among the given gases is present under pressure in soft drinks
Which among the given has got more heat capacity
Which among the given has Vitamin C -