I think it’s “B. Electricity runs most model train engines”
Sentence 2 has the correct parallel structure.
The correct answer is C. I am absolutely positive.
Answer:
THIS IS YOUR ANSWER:
<em>science</em><em>is a study of nature human</em><em> </em><em>beings plants animals chemicals and machines</em><em> </em>
<em>and</em><em> </em><em>pHySiCs is a part of science</em><em> </em>
☺✍️<em>HOPE</em><em> </em><em>IT HELPS YOU</em><em> </em>✍️☺