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The correct answer is "Some substances must be dissolved in water before they can be used".
Answer:
In most materials, as heat energy is absorbed, the density decreases. IF a certain object is heated, it might appear bigger than usual because it expands as the molecules inside moves faster than usual. However the mass of it stays the same while the density decreases.
Answer:
<h2>It occurs whenever a magnetic field and an electric conductor move relative to one another so the conductor crosses lines of force in the magnetic field. </h2>
Explanation:
<h3>The current produced by electromagnetic induction is greater when the magnet or coil moves faster, the coil has more turns, or the magnet is stronger.</h3>
<h2>Carryonlearning </h2>
Answer:
The moon is 400x smaller but it's also 400x closer so it looks the same size even though it's not
Explanation:
Because as we develope into our times from today to tomorrow and the next, us as a human race will never stop discovering
