<span>The two factors are speed and time. Acceleration occurs as speed increases over time. To measure acceleration, we need to know the starting speed, the time, and the final speed of the object. Also, an object is considered to be accelerating if it is changing direction. Thus, something traveling in a circle is constantly accelerating.</span>
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B: Since 1979, the sun's output has decreased while the Earth has warmed more rapidly than in any 30-year period for centuries.
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You can investigate over a wide range of subjects which could be useful in many fields such as a science.
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An azeotrope or a constant boiling point mixture is a mixture of two or more liquids whose proportions cannot be altered or changed by simple distillation. This happens because when an azeotrope is boiled, the vapour has the same proportions of constituents as the unboiled mixture.
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As the salinity of seawater increases, the density of the water also increases.
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