Septum is the tissue that separates the left and right sides of the heart.
Answer: A
Wavelength and frequency of light are closely related. The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength.
<h2><u>TRUE</u></h2>
Renewable resources are natural resources that can be replaced in a relatively short period of time or are virtually limitless in supply. Renewable energy resources include wind, sunlight, moving water, biomass, and geothermal energy.
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Answers: Disposable hand warmers turn up the heat in your mittens by means of an exothermic reaction that, in essence, just creates rust. Each pouch typically contains iron powder, salt, water, an absorbent material, and activated carbon. -or- The chemical reaction that takes place in hand warmers is exothermic, meaning it releases excess energy as heat. That's why you can mix a few chemicals to warm your hands!
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