Biological systems examples that can be found during a nature walk, such as cellular respiration

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

What is responsible for the uneven heating between the poles and the equator on any given day

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