Observational data can be obtained by use of _____ observation.
A) human
B) mechanical
C) electronic
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

Observational data can be obtained through various methods such as human observation, use of mechanical tools like cameras, spectrometers, etc. and electronic devices like sensors, data loggers. Hence, all the options (A, B, and C) are correct and the answer is D.

Observational Data Can Be Obtained by Use of _____ Observation