Correct option is C
The correct answer is Observational skills.
By the term observation skills we meant that gaining of knowledge and information about certain things by means of observing them closely. Observation skills tell us about objects, events, behaviour and phenomenon using one or more senses. Observation skill is very important in science. Observation skills are used by scientists to collect and record data, which helps them to develop hypothesis and theories. Thus, it is a very important part in the science subject.
Observations cater the opportunity to monitor or approach a course or situation and document evidence of what we see and hear.