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r-ruslan [8.4K]
3 years ago
7

In descriptive scientific investigations, scientists often make observations to understand the interacting parts of a complex (b

lank)
Chemistry
1 answer:
wlad13 [49]3 years ago
8 0

Answer:

Complex  System

Explanation:

Given that, a descriptive scientific investigation is one of the three main types of investigation which formulates and quantify the natural phenomenon.  This natural phenomenon oftentimes involves Complex System, such as microscopic organisms, thereby, scientists often make observations to understand the interacting parts of this COMPLEX SYSTEM

Hence, the right answer is a COMPLEX SYSTEM

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Molar mass of 13c = 13 grams
number of moles = mass / molar mass
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<h3>Further explanation</h3>

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