Answer:
In a short detached manner.
Explanation:
Staccato is a form of musical articulation that describes a note of very short duration. The word means "detached" in Italian. This sound is generally expressed with the placing of a dot either above or below a particular note. However, this is not always the case when dealing with notation from the past.
The chemist would like to study a leaf changing colour.i.e. about the reaction behind it.
The answer that describes the use of commercial use of water is A
That would be simultaneous complexity.
The classroom is a complex environment and teachers usually have to juggle several thing simultaneously, and that is simultaneous complexity. There are also few other complexities such as unpredictability as its not possible to predict all the scenarios that could happen during class so we unpredictable complexity, also because teachers usually work with 25-30 students they have to deal with multidimensional complexity.