Which of the five main chemistry disciplines is most-closely related to each of the actions described below? MAX POINTS. WILL MARK BRAINLIEST. (just #4)

The five main chemistry disciplines which is most-closely related to each of the actions are described below:
Generally, there are five (5) overlapping disciplines (divisions) of chemistry and these include the following:
Biochemistry can be defined as a division of chemistry that is focused on the study of the chemistry of only living organisms, so as to understand how and why this chemistry between them works and affects lives.
In conclusion, the five main chemistry disciplines which is most-closely related to each of the actions are described below:
Read more on biochemistry here: brainly.com/question/1460315
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Complete Question:
Which of the five main chemistry disciplines is most closely related to each of the actions described below?
Studying the digestion of certain types of foods.
Investigating the iron content of different samples of ore.
Measuring how much energy is released in a series of reactions.
Attempting to produce a new carbon-based chemical.
Measuring the amount of mercury contamination in a sample of river water.