Help-- multiple choice! Biogenic sediment is made of at least 30 percent...

acidic chemicals

alkaline properties

limestone or other rock

skeletal remains

Depending on the organism the number of in a cell may change

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

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