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 Itf the ice of the poles disappears, 3 If farmers do not stop using toxic chemicals on crops, 4 If we do not reduce plastic use, 5 If the temperature of the planet increases, many species lose their homes forever ice from the poles will melt and disappear many cities on the coasts will be flooded many pollinator insects will disappear our oceans will have more plastic items in them than animals