Relier Pairs Real conditionsVersion en ligne Match the parts of the sentence, CAUSE- EFECT, to make one correct par ELENA MA. CASTRO GARCIA 1 When factories use fossil fuels, 2 If I am late, 3 If you have a toothache, 4 When people cut down trees, 5 If you use air conditioning wisely, 6 If you heat water, 7 When icebergs melt, 8 If people don't eat or drink, 9 When you burn oil, 10 If people don’t protect animals, the greenhouse effect gets worse it boils they become extinct you visit the dentist it produces greenhouse gases eventually they die. you save up energy the sea level rises it is deforestation my father takes me to school.