Answer:
F
Explanation:
because altitude is where it the highest above sea level.
Answer:
this is useful because they represent the shortest distance between two points on a sphere.
Explanation:
Due to the earth's rotation, sailors and pilots using great circle routes must constantly adjust their route as the heading changes over long distances.
<h2><em>
andres1000</em></h2>
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust.
