52 Which is one of the big ideas that guides Earth science?
O Earth's waters
O Earth in the universe
O Earth in the solar system
O evolution of life on Earth

D.evolutin of life on earth

Explanation:

because revolution in the earth is better because the earth will be more revolution When you do this

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the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.