Does Krakauer prove his hypothesis that McCandless’s death was an unplanned accident?

Which sentence contains a gerund? sally is fishing on the lake with her father and brothers. marcus is supposed to be joining the discussion later today. my cat was not interested in the dangling string. her chorus director does not appreciate angela's fidgeting.

He picture shows a fishing technique called trawling. how might trawling affect marine biodiversity? decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed

May someone me with these questions