It was most likely warm in antarctica before the asteroid hit.
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.
Extreme natural hazards and population growth
Currents are responsible for deep ocean circulation
