Could the other molecules in this simulation (argon, oxygen, and water) be considered pure substances? Explain your thinking.

the answer would be b i believe

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

it is the most commonly accepted one

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 !