The global temperature might 6. ________ by 5 degrees or more. 　　Sea levels would be raised. 　　Weather might turn for the worse. 　　However, we can't try our

　　7. ________ when it comes to agriculture we rely on to live, and some relative

　　8. ________ must be made to regulate greenhouse gases. 　　Replacing your vehicles which give off more greenhouse gases. 　　9. ________ the use of home heating and air conditioning. 　　Upgrading appliances to energy-saving models. 　　Allowing 10. ________ a limited amount of pollutants that cause acid rain. 　　Leading to inventing technology to reduce acid rain.