I would say C. Land. The Earth's surface is 71% water. So the remaining would have to be land.
The answer to this is all of these because there are a lot of theories about plate tectonics and I believe those answers above is one of them so it should be C.
Hope this helped :)
Have a great day
The clear rendering however reads;
What does the graph on the first page of this class reveal about the demand for oil over time?
Explanation:
Since the graph is not provided, note the following about demand curve (graph). A demand graph is diagrammatic representation of how demand changes over time.
Thus, demand is usually plotted against price. I'll recommend you look carefully at the trend of the graph to find rising peaks and falling peaks which would indicate if demand is stable or not.
Answer:
Probably because it either has inappropiate language or has been traced back to a test.
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