Examples of inert gases include g nitrogen and noble gases oxygen and chlorine hydrogen and butane

i'm pretty sure its b i might be wrong though!

6.4 cm (max) - 25 cm (min)

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 !