Help. I think I understand but want a better description than just my textbook

a c d and f

just finished the assignment

answer; i believe that the correct answer is (a) potassium(k)

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !