Stonehenge is best defined as _________.

(1 point)
a) entrance stones at Newgrange.
b) stone carvings located on Easter Island.
c) cave paintings from the Paleolithic Period.
d) a grouping of megaliths in England

d) a grouping of megaliths in England

d) a grouping of megaliths in England

The best-defined option is d) a grouping of megaliths in England. Stonehenge is an ancient monument located in Wiltshire, England, consisting of large standing stones arranged in a circular pattern. It is one of the most famous prehistoric sites in the world and has been the subject of much speculation and study.