|Exercise 4.1 Model Answer|
Create an argument map of the following reasoning:
Main contention: The film used in the Apollo cameras would have melted.
Primary Reason: The mean surface temperature on the Moon is 107 degrees in the daytime Sun.
Rejoinder: With no atmosphere there is no convective heat transfer, only radiant and conductive.
[based on 8.1]
Note: for this exercise you need not diagram hidden premises.
The way in which a rejoinder like this functions will become more clear in Tutorial 5.
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Last updated 11-Apr-2007