Fossils suggest modern day organisms

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?

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above