Question

what do you mean my mean sean level

Answer 1

• Mean Sea Level (MSL) is the datum for measurement of elevation and altitude. Mean Sea Level is the equipotential surface of the Earth as described by the WGS84 geoid.

Answer 2

HEY MATE HERE IS YOUR ANSWER ✍✍

➡️the level of the surface of the sea with respect to the land, taken to be the mean levelbetween high and low tide, and used as a standard base for measuring heights and depths.NASA measures sea levelaround the globe using satellites. The Jason-3 satellite uses radio waves and other instruments to measure the height of the ocean's surface – also known as sea level. It does this for the entire Earth every 10 days, studying how global sea levelis changing over time.

HOPE THIS HELPS YOU OUT ✌❣❣