Adc motor and converts it

a. mechanical, electrical

b. electrical, mechanical

c. quantum, nuclear

d. nuclear, quantum

I believe it's A

Explanation:

if the temperature drops and becomes cool

then the atmosphere can be freezing as the water vapor in the air is at maximum (100%) and can be severely cold

also can be snowing lightly as the moisture in the air will start to solidify

and btw this is not chemistry but