Why do volunteers clean sea otters after an oil spill occur

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade

The graph shows how much money the south dakota livestock industry earns annually. according to the graph, which industry would experience the greatest financial impact from a loss of pastureland