Zachary wants to model a landform that changed due to earthquakes and wind erosion. Which model is most appropriate for him to use?
A. an illustration showing the original appearance of the landform
B. a diagram showing cracks in the Earth from an earthquake
C. an oversimplified diagram depicting the cause of the earthquake
D. an illustration including only the contribution of wind erosion to the landform change

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relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a