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Compare and contrast the bohr model and the electron cloud models of the atom.

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?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.