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