Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Benton discovers Zygon chamber entrance
S13E2
·
Terror of the Zygons Part 2
To
Doctor identifies Zygon signal device
S13E2
·
Terror of the Zygons Part 2
Why These Connect
The narrative assertion
"Benton's discovery of the location of the Zygons (via decompression chamber tech) allows the Doctor to examine the signalling device found in wreckage, linking military detection to forensic investigation."
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.