Общий вопрос:
Is a geologic target identified by a geologist?
Специальный вопрос:
When is a geologic target identified?
Вопрос к подлежащему:
Who identifies a geologic target?
Разделительный вопрос:
A geologic target is identified before a well is drilled, isn't it?
Альтернативный вопрос:
Is a geologic target identified by a geologist or a geophysicist?
Объяснение: