Question

question 4
what types of technology are used for fishing?
spotter planes and drones
radar and sonar
quantum hydrolies
flash freezing

Explanation:

Spotter planes and drones can help locate fish. Radar and sonar are also used in fishing to detect fish underwater. Quantum hydraulics is not a common technology in fishing. Flash freezing is a preservation method, not a fishing - related technology for catching fish.

Answer:

A. Spotter planes and drones, B. Radar and sonar