When snow is compacted it doesn’t melt when held over a flame, it sublimates. That means it goes from a solid straight to a gas. The dark spot on the snow is caused by impurities in the flame.
When snow is compacted it doesn’t melt when held over a flame, it sublimates. That means it goes from a solid straight to a gas. The dark spot on the snow is caused by impurities in the flame.