Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Jones learns Jo has left to find the Doctor
S10E25
·
The Green Death Part 5
To
Doctor orders urgent rescue mission
S10E25
·
The Green Death Part 5
Why These Connect
The narrative assertion
"Jones' inquiry about Jo's whereabouts in the slag heap area establishes the immediate peril that later forces the Doctor and Benton to mount a rescue mission."
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.