Use the table to answer the question. Observations 1: sunny and warm
2: cloudy and rainy
3: drop in temperature
4: clear skies and cold temperatures
A student tracks the daily weather. The student’s observations are logged in the table. Which factor in the atmosphere best explains the student’s observations?
A cold front moved into the area.
A warm front moved into the area.
High levels of moisture are contained within an air mass.
A warm air mass replaced a cold air mass.