Free-enterprise economy
A, B, and C will hurt an underdeveloped nation. D would help the nation strive into becoming an first would country. The question is asking what will not hurt an underdeveloped nation.
Answer :
(A). Charles Lyell correctly explained how fossils form and formulated some of the basic principles of relative dating
Explanation:
Charles Lyell was a Scottish geologist who demonstrated the power of known natural causes in explaining Earth's history.
Relative dating is the science of determining the relative order of past events, without actually deciding its absolute age.
Charles Lyell's principle of inclusions and components, explains that, with sedimentary rocks, if inclusions are found in a formation, then the inclusions must be older than the formation that contains them.
Tectonic Plates would be the answer
it is the shortest trade link between Europe and countries on the Indian and Pacific Ocean.