100 Points!! Brainliest please help! The geologic time scale is not divided by day or years. It is divided into different types of categories. What are the four main time divisions that are used for the geologic time scale and what determines are they are divided?

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As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet? the planet started to cool and an atmosphere formed. the planet started to become round and heat up. the planet started to wobble and turned upside down. the planet started to compress rock and form more radioactive elements.