C
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Scientists now use cross fertilization.
Answer:
Hence the information at disposal was incomplete.
Explanation:
The absence of a flight data recorder led the investigators to call off the investigation. It is often concluded that the investigation was called off because:- the information at disposal was incomplete. The flight data recorder is a crucial instrument that receives information from the sensors located in several parts of the plane and provides essential information associated with aircraft accidents.
Answer: Time- sampling
Explanation:
The parent is basically using the time sampling recording process for observing their children. The time sampling is the process in which the children are observed by using the fixed intervals on regular bases.
The time sampling is the useful way for collecting the present data or information for long time duration.
It is basically used to collect the precise information and repeated for short duration for the development of the children.
