Question

define altitude . How is it measured​

Answer 1

Answer:

Altitude, like elevation, is the distance above sea level. ... In fact, aviators and mountaineers can measure their altitude by measuring the air pressure around them. This is called indicated altitude, and is measured by an instrument called an altimeter. As altitude rises, air pressure drops.

Explanation:

hope it helps you !!!!!!!!!!!!!!!

Answer 2

Explanation:

Altitude, like elevation, is the distance above sea level. ... In fact, aviators and mountaineers can measure their altitude by measuring the air pressure around them. This is called indicated altitude, and is measured by an instrument called an altimeter. As altitude rises, air pressure drops.