Please choose the correct answer to the question: A class learns about weather. The students in the class measure the outside air temperature at the same time each day. Which way of measuring the temperature would provide the most accurate data?

Answer1: taking the measurement in the shade Answer2: placing the thermometer on the ground Answer3: taking a measurement using a different tool each day Answer4: recording the measurements from three thermometers

Answer format: answer1/answer2/answer3/answer4
Answer: answer4