How many protons, neutrons, and electrons are present in 24Mg+2?

When a septic tank backs up a goes in to clean it out

Adepositional also feature that forms where a stream enters a lake or an ocean is a

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?