In which story is the answer to the question 0?
Michelle went to Yellowstone National Park to observe bison with her outdoor
recreation club. When they started their observation in the morning, the
temperature was -2°C. When they took a break at lunchtime, the temperature
had increased by 2°C. What was the temperature at lunchtime?
Michelle went to Yellowstone National Park to observe bison with her outdoor
recreation club. When they started their observation in the morning, the
temperature was -2°C. When they took a break at lunchtime, the temperature
had increased to 2°C. How much warmer was it at lunchtime than in the
morning?