The Outflow Channels on Mars Indicate a Flood Period in the History

Multiple Choice

The outflow channels on Mars indicate a flood period in the history of Mars. During thistime, based on the width and depth of the remaining riverbed, it is thought that the flow rate musthave been:

A) just a small trickle, barely more than a stream of water.
B) moderate, about the flow rate of the Ohio River.
C) fairly large, about the flow rate of the current Colorado River.
D) significantly large, about the flow rate of the Amazon River.
E) enormous, as much as 100 times the flow rate of the Amazon River.