The law of conservation of energy<span>, a fundamental concept of physics, states that the total amount of </span>energy<span> remains constant in an isolated system. It implies that </span>energy<span> can neither be created nor destroyed, but can be change from one form to another.</span>
<h2>Question:</h2>
Appliances connected so that they form a single pathway for charges to flow are connected in a(n)
<h2>Answer:</h2>
<u>A</u><u>.</u><u> </u><u>Series</u><u> </u><u>circuit</u><u> </u>
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For every O ion, two Na ions are needed to balance charges. Which ratio represents the relationship between Na and O?
2 Na:1 O
