An observation which is descriptive is considered quantitative, creative, qualitive

Explanation:  An observation is can be a collected information itself. It is an informal action, but it can be formal too and involve data collection. In descriptive observation one do not wish to modify the activity, he want it to get registered such as it would take place without his presence. In this observations are detailed and focused, in which questions about a phenomenon are carefully  examined and expressed at the outset that is why it is considered quantative as well as qualitative.

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.