The answer is A) petroleum
Hope this helps! screw this geo class tho.... <span />
Answer:
I believe that everything would just be the opposite of what it is now.
Explanation:
Like, seasons would flip (Possibly change positions on the planet), months would also flip, uh, yeah.
Scientists mapped the magnetic polarity of ocean floor on both sides of the ridge. They found that the pattern of strips of rock with the same polarity matched on both sides of the ridge. This showed that the ocean floor moves away from mid-ocean ridges as new rock forms.