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.
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andres1000</em></h2>
Religious and ethnical problems.
It was one of the largest empires of the world with many different ethnicities. The problem was to unite people under one rule.
Another problem was communication. It was hard to transfer knowledge and news to all parts of the empire because it was too large.
It tells you that there used to be an ocean in the area the rock was found.
Answer:
They found four key changes: the unprecedented homogenization of species around the world through human-instigated species invasions; the growing interaction between the biosphere - the sum of all Earth's ecosystems - and technology; the total domination of one species on land and water; and human impact on evolution
It has nothing to do with the Moon. It is the time of year when, over the northern hemisphere, the Sun is near or at its highest apparent position in the sky and the rays are most direct Earth's axial tilt points the Northern Hemisphere more towards the sun in June, causing the sun to ride higher in the sky. Summer for us, Winter South of the Equator.
