The Earth's surface irregularities such as mountains, valleys, oceans and the slight flatness at the poles hardly affect the shape of the earth.
(The Earth's surface irregularities such as mountains, valleys, oceans and the slight flatness at the poles; hardly affect; the shape of the earth)
The Earth's surface irregularities such as mountains, valleys, oceans and the slight flatness at the poles
hardly affect
the shape of the earth