Before you read 1.There is an atmosphere 2.It controls 3.However,we are polluting 4.The gases cause the atmosphere 5.The Earth is getting 6.We call this a.the greenhouse effect. b.the Earth with harmful gases. c.warmer and warmer. d.to keep in too much heat from the Sun. e.around the Earth. f.the Earth's temperature.Before you read 1.There is an atmosphere ____________________________. 2.It controls _________________________________________. 3.However, we are polluting __________________________. 4.The gases cause the atmosphere ___________________ ___________________________________________________. 5. The Earth is getting _______________________________. 6. We call this ________________________________________. a.the greenhouse effect. b.the Earth with harmful gases. c.warmer and warmer. d.to keep in too much heat from the Sun. e.around the Earth. f. the Earth’s temperature