The equator is an imaginary line that isn’t real and circles around the planet earth at its middle and is equally distant between the earth’s two poles.
Which revision best reduces the sentence to make it easier to understand?
The equator, which isn’t real, is a line that circles around the earth between two poles.**
The line that circles the earth in the middle and is equally distant between its poles is called the equator.
The equator is an imaginary line that circles the earth and is equally distant from both poles.
An imaginary line, known as the equator, circles around the earth’s middle and is equally distant from each of its poles.
The best revision to make the sentence easier to understand is:
"The equator is an imaginary line that circles the earth and is equally distant from both poles."