premise: the atmosphere is made of air sent2: warmer means greater / higher in temperature / warmth sent3: the greenhouse effect is when carbon in the air heats a planet 's atmosphere sent4: temperature is a property of weather sent5: carbon dioxide contains carbon sent6: if something causes something else to increase then increasing that something will cause that something else to increase sent7: climate is the usual kind of weather in a location over a period of time sent8: heat means increase in temperature.
hypothesis: as the amount of carbon in the atmosphere increases, the planet's climate will become warmer