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Mia knows that scientists use several methods to help determine the relative ages of different rock layers, including using fossils. Which of the following are other ways to determine the relative ages of rock layers?
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Suggest two reasons why irrigation is important for human development of the desert (4 marks)
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Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity
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Mia knows that scientists use several methods to help determine the relative ages of different rock...
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