Question

When these terrestrial planets formed, ________ materials stayed near the surface. Within the solar system, a ________ pattern occurred. The inner terrestrial planets are __________ , and outer gas giant planets are

Answer 1

When these terrestrial planets formed, **denser** materials stayed near the surface. Within the solar system, a **differentiation** pattern occurred. The inner terrestrial planets are **rocky and metallic**, and outer gas giant planets are **gaseous and composed mainly of hydrogen and helium**.