The period of the earth's rotation on its axis is approximately 24 hours, and the period of Earth's revolution around the sun is approximately one year.
(The period of the earth's rotation on its axis; is; approximately 24 hours) (the period of Earth's revolution around the sun; is; approximately one year)
The period of the earth's rotation on its axis the period of Earth's revolution around the sun
is is
approximately 24 hours
approximately one year