Question

How is the sea level measured?​

Answer 1

Explanation:

here's your answer

• NASA measures sea level around 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 level is changing over time.

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Answer 2

Answer:

The sea level is measured simply by going everywhere and measuring it