What could a human living now and a dinosaur living millions of years ago
have in common?

Regarding most of the narrator’s story, which word best describes the tone?

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?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?