the greenhouse effect is when carbon in the air heats a planet 's atmosphere & heat means increase in temperature ->  carbon in the air causes the temperature of the planet's atmosphere to increase  carbon in the air causes the temperature of the planet's atmosphere to increase & if something causes something else to increase then increasing that something will cause that something else to increase ->  as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase  as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase & the atmosphere is made of air ->  as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase  as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase & carbon dioxide contains carbon ->  as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase  as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase & warmer means greater / higher in temperature / warmth ->  as the amount of carbon dioxide in the air increases, the temperature of the planet's atmosphere will become warmer  temperature is a property of weather & climate is the usual kind of weather in a location over a period of time ->  temperature is a property of climate  as the amount of carbon dioxide in the air increases, the temperature of the planet's atmosphere will become warmer & temperature is a property of climate -> as the amount of carbon in the atmosphere increases, the planet's climate will become warmer