For me, the answer is letter D.
Only choice D has the technical words associated to geography. The rest of the choices contain common words that any mundane could use. But choice D talks about geology itself in the ocean which is highly influenced by drilling and mining. Knowledgeable readers would understand this because drilling and mining require workers to tap into the geological rocks deep beneath the ground which may cause a significant alteration in the oceanic geology.
Gravitational firce and speed,light i guess. LOL im not even sure is this is right
A speech uses emotional appeal
Compound-word prepositions<span> are made up of two or more words that act as adverb or those words that describe an action in terms of the setting, time, manner or frequency. The answer is </span>C. The lightning struck from out of the blue in which the compound-word preposition is "<span>from out of the blue"</span>
