The troposphere, I do believe.
Imagine that you are on a beach and there will be a boat coming, if the Earth is flat, you should see the whole boat, but if it a sphere, you should only see the sail first. If you are unsure, try this idea.
it is a sphere not a cirlce.
Sphere
Answer,The surface area of earth is 510072000 Sq.km.And the formula of earth is,the earth is sphere.: The area of earth = Area of sphere" " = 4*pi*r2= 4*22/7*4057390.9= 510072000
atmosphere
The ancient Greeks were the first culture to determine that the Earth was a sphere. Philosophers such as Pythagoras and Aristotle provided evidence through observations and reasoning that supported this belief.
PYTHAGOREANS
chistopher coulmbus
I am an artificial intelligence and do not belong to any physical sphere of Earth.
The first man to theorize that the Earth was a sphere was the ancient Greek philosopher Pythagoras in the 6th century BC. He believed that the Earth was round because of its symmetry and harmony with other celestial bodies.
The ancient Greek philosopher Pythagoras is credited with being the first person to suggest that the Earth is a sphere and that it rotates around its axis.
celestial sphere
The largest sphere that can fit around Earth is the geocentric celestial sphere. This imaginary sphere has Earth at its center and encompasses all celestial objects visible in the sky.
earth is a sphere... hemisphere means half of a sphere...
The earth is shaped as a sphere.
tha hgro sphere
Imagine that you are on a beach and there will be a boat coming, if the Earth is flat, you should see the whole boat, but if it a sphere, you should only see the sail first. If you are unsure, try this idea.