L’analisi e la datazione di alcune rocce ha dimostrato che una delle grandi estinzioni di massa è dovuta all’impatto di un grosso meteorite. Quale teoria giustifica l’accaduto?

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Which law represents a balanced chemical equation?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?