Because it is faster for aircrafts to to take a curved route than a strait route and you'll never be on a flight that has a straight route
you are part of wich sphere of Earth
The water sphere of earth is the HYDROSPHERE.
celestial sphere
earth is a sphere... hemisphere means half of a sphere...
The sphere of earth which contains gases is called the Atmosphere.
tha hgro sphere
The earth is shaped as a sphere.
The Earth's outermost sphere is the Lithosphere. It's the rigid outermost shell of the Earth.
Actually, Galileo wasn't the person who discovered that the earth was a sphere.
a sphere is called a sphere because , well , its just a other name for a ball such as the earth.
No, it is the outermost sphere of the earth.
The earth is characterised by a sphere