Are minerals biotic or abiotic

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

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis