What are your biggest strength

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?

Is a pencil falling to the floor anon contact force, a force, or a contact force

Which of the following is most likely true about water in chemical solutions?