How can a reader tell from the selection that jack london was a student of naturalism? buck does not understand about snow. the name of the ship is the narwhal. when buck loses his dinner to another dog, he is not offered any more food. the dogs and people are on a ship going to a cold environment?

when buck loses his dinner to another dog, he is not offered any more food

Explanation:

In writing, naturalism refers to a genre that is focused on how harsh environment shape human character through heavy struggles.

Writers who use this type of genre would often depict a situation when the characters experience some sort of hardship that deliver a strong emotional blow them, which make them felt helpless and attract reader's sympathy. This can be seen in the scene when Buck loses his dinner to another dog, he is not offered any more food

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

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