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A. freeze at the same temperature at which it melts, depending on whether the temperature is rising or falling.

Explanation:

Option A is the correct.

Freezing and melting are two changes that occur in the state of matter. Freezing is known to be the change that occurs when a substance (liquid) changes to solid when there is a decrease in temperature. While melting is known to be the opposite and it refers to the change that occurs when a solid changes to liquid as a result of increase in temperature.

When substances freeze, they do so in the same temperature as they melt. This is true because both freezing and melting actually describe similar transition of matter. So, it depends whether temperature is rising or whether it is falling.

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation: