Question

how are all heights an the land calculated​

Answer 1

Answer:

Explanation: The height of different places on earth is measured with the help of the 'altimeter'. The instrument used for measuring the height at a place is basically a barometer. At sea level, the height of the barometric liquid (mercury) is 76 cm. ... Such dial-type barometers are called 'Aneroid barometers'.

Answer 2

Answer:

Altimeter

Explanation:

This your answer