Matching Pairs Zero and First ConditionalOnline version Match sentences about Zero and First Conditional by Yubert Urbano Aguilar Balcázar 1 If humans destroy ecosystems, 2 If farmers do not stop using toxic chemicals on crops, 3 Itf the ice of the poles disappears, 4 If the temperature of the planet increases, 5 If we do not reduce plastic use, many species lose their homes forever many cities on the coasts will be flooded ice from the poles will melt and disappear many pollinator insects will disappear our oceans will have more plastic items in them than animals