wind direction and amount of erosion gravity and amount of rain groundwater and cloud cover air temperature and wind speed
I gave my students this multiple choice question: Which two terms are used to describe weather?

Only one answer is correct among these 4 choices:
- wind direction and amount of erosion
- gravity and amount of rain
- groundwater and cloud cover
- air temperature and wind speed

Could you tell me which one is correct?

air temperature and wind speed