A
To measure atmospheric carbon sequestration rates in agricultural soils
B
To track wildlife movement across industrial forest boundaries
C
To automatically collect groundwater samples for chemical testing
D
To provide real-time remote surveillance and directional zoom control for environmental monitoring
Correct answer: (d) To provide real-time remote surveillance and directional zoom control for environmental monitoring
Explanation
Option D is correct because PTZ cameras are robotic cameras capable of remote directional and zoom control for real-time surveillance of polluting industrial units. The other options describe unrelated environmental tasks.
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