As air moves up, it expands andcools. If the temperature is 20°C at sea level, and 10°C at analtitude of 1 km, answer the following questions.a. Assume the temperature decreases linearly and write the equation that defines a linear function for temperature as afunction of altitude.b. Assume the temperature decreases linearly, and draw agraph depicting this relation. What is the slope of the graph?c. What is the temperature at an altitude of 2.5 km?

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