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If the mass of a solid body is doubled, its density is doubled. New density becomes, If the mass of a solid body is doubled, its density is doubled.

Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground.

The tympanic membrane is also called the eardrum.

a system for the detection of objects under water by emitting sound pulses and detecting or measuring their return after being reflected.

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talk back to him about the sport and show him your expertise or leave the room