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Anemometer
Aneroid Barometer
Hygrometer
Thermometer
The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?
The iron ore which contains 72% of iron is:
The kinetic energy needed to project a body of mass m from the Earth surface (radius R) to infinity is
The King of metal is
The King of Metals is:
The largest cell in the human body is
The largest gland in human body is
The least velocity required by a body to escape away from the gravitational pull of the earth is called
The locomotory organ of Amoeba is
The loss of water in the form of water droplets is called