Causal
medium strength
Narrative Connection
How these two moments in the story relate
From
Doctor stabilizes Polly during suffocation
S4E26
·
The Moonbase Part 4
To
Hobson and Benoit patch the dome breach
S4E26
·
The Moonbase Part 4
Why These Connect
The narrative assertion
"After the Cybermen puncture the dome and there is a lack of oxygen, they fix it and buy the crew sometime to fix the long term problem."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.