pollination is when pollinating animals / wind / water carry pollen from one flower to another flower & an insect is a pollinating animal ->  pollination is when insects / wind / water carry pollen from one flower to another  pollination is when insects / wind / water carry pollen from one flower to another & if something is a part of a process then that something is required for that process ->  insects / wind / water carrying pollen is required for pollination  insects / wind / water carrying pollen is required for pollination & if something is required for a process then that something positively impacts that process ->  insects / wind / water have a positive impact on pollination by carrying pollen  insects / wind / water have a positive impact on pollination by carrying pollen & helping something has a positive impact on that something -> insects / wind / water help pollination