Complex sentence: Chobham Common is an extensive area of lowland heath a globally rare and threatened habitat, in Surrey, England, formerly a freehold owned by the Earl of Onslow, and purchased by Surrey County Council in 1966.
Split into simpler sentences: Chobham Common is an extensive area of lowland heath a globally rare and threatened habitat, in Surrey, England. It was formerly a freehold owned by the Earl of Onslow, and purchased by Surrey County Council in 1966.