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mammals and fish
mammals Birds
mammals and Amphibians
A fractionating column is a glass apparatus used to
A fresh egg sinks in pure water but floats in salty water. This is because
A gas that cannot be collected over water is
A genetically engineered form of brinjal known as the BT brinjal has been developed. The goal of this is
A glass tumbler containing ice shows droplets of water on the outer surface because
A gold leaf electroscope is charged and the leaves are observed to diverge by a certain amount. The beam of X-rays is allowed to fall upon the electroscope for a short period. The effect is as follows :
A homogeneous class _.
A hot and a cold body are kept in vacuum separated from each other. Which among the given cause decrease in temperature of the hot body?
A hybrid propellant contains
A jug is filled the brim with water at 0ºC. A piece of ice floats in it. The moment the ice melts.