How could you determine in a lab if a certain color is a chemical property of a substance, or if the color is caused by other factors?

In which phase(s) do the molecules take the shape of the container?

What is a metal replacement reaction

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?