atmosphere, the gases that surround a planet, carbon dioxide, a gas that is produced when we burn things (CO2), climate, the weather conditions that we usually find in a place, fossil fuels, sources of energy that were formed underground millions of years ago, like oil and coal, ice cap, a thick layer of ice at the north and south poles, increase / rise, go up or get higher, melt, change from a solid to a liquid form, sea level, how high the top of the ocean is where it meets the land.

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