Answer:
a
Explanation:
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Answer:
i'm gonna need more details to answer
Explanation:
The maximum efficiency of a machine is less than 100% and is denoted as option C.
<h3>What is a Machine?</h3>
This is referred to as a device which is created to make work easier and multiplies the effect of human effort.
The maximum efficiency of a machine is usually less than 100% due to the factor known as friction which results in energy being lost.
Read more about Machine here brainly.com/question/388851
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<h2>
Answer:</h2>
<u>H2O</u> is the chemical formula for water, meaning that each of its molecules contains one oxygen and two hydrogen atoms H.
The functional group found in those molecules are a Carboxyl Group