Answer:
The correct answer is - You record the air temperature every day for a week.
Step-by-step explanation:
Observation is the process that include the observation of something in order to get information or data for further investigation. Observation is require only observation and collecting data of the observation.
In this case one is observing and collecting the data by recording the air temperature every day for a week in order to get the average air temperature. It is an example of observation.
Thus, the correct answer is - You record the air temperature every day for a week.