Answer:Family, Genus, Species.
Explanation:
Practical work refers to the art of conducting experiments in order to answer certain research questions.
<h3>What is practical work?</h3>
In science, practical work refers to the art of conducting experiments in order to answer certain research questions. This could occur in a laboratory under controlled conditions or in the field.
In the physical sciences, most of the practical work is conducted in the laboratory under controlled conditions. However, some experiments in the biological sciences and most experiments in the social sciences are conducted outside the laboratory.
Learn more about experiments:brainly.com/question/11256472
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A carbohydrate is a trans fat while protien is nor
I don't know what you are asking but AC= Alternative current
V= Volt
The answer would be ethane (C2H4)
