The change in internal energy of this gas sample is equal to: c. 715 J.
<u>Given the following data:</u>
- Quantity of heat = 874 J.
<h3>What is the First Law of Thermodynamics?</h3>
Mathematically, the the First Law of Thermodynamics is given by this formula:

Where;
is the change in internal energy.
- Q is the quantity of heat.
Substituting the parameters into the formula, we have;

Change in internal energy (ΔH) = 715 Joules.
Read more on enthalpy change here: brainly.com/question/11628413
The answer is the letter B. Electrical signals.
*Our brain and body communicates with each other by sending messages in the form of electrical signals.
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The examination or observation of one's own mental and emotional processes.
D. Chromosomes
DNA in the nucleus is found in structures called chromosomes.