How many molecules of ammonia are contained in 10.4 moles of ammonia, NH3? O 0.611 molecules NH3
O 6.26 x 1024 molecules NH3
O 1.71 x 10-23 molecules NH3
O 177 molecules NH3

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?