Question

Which of the following major discoveries was not made near or after World War II? the extensive ranges of mountain chains on the sea floor the absence of rocks older than 200 million years on the sea floor deep focus earthquakes that occur in some regions of the earth rift valleys in Africa

Answer 1

Te correct answer is rift valleys in Africa

Explanation:  The Rift Valley is known as the set of tectonic faults that cross eastern Africa from Lake Malawi to the Horn of Africa, where it creates a fork between Eritrea, Djibouti and Somalia, the Afar Triangle.