HELP
Using what you have learned about the many models developed to describe an atom, infer why the model had to change as new information came to light? Defend why this is true or false of all scientific models and theories.

True, the model had to change as new information came to light.

After the invention of new instruments, it enable us to do more research and verify old theories.

Dalton atomic theory states that matter is composed of very small particles called atoms which is indivisible. Indivisible means cannot be broken down into simpler substances. But Rutherford performed an experiment and concluded that atom is divisible into proton, electron and neutron. Electron is present in the shell while proton and neutron are present inside the nucleus of an atom.

b. the carbon cycle ensures living things have a source of hydrogen

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