Give an example of a living and non-living system

How would you take a difficult subject matter - such as poaching, deforestation, or climate change and communicate it in a kid-friendly way

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating