Dry Day 1 - 30°C | Day 2 - 29°C | Day 3 - 25°C Wet Day 1 - 22°C | Day 2 - 22°C | Day 3 - 21°C The reading above are for three consecutive days from a wet and dry bulb hygrometer. It can be concluded that the relative humidity for the three days
A. decreased steadily B. remained unchanged C. increased steadily D. was least on Day 1