I believe that the best option is Buck’s fear of the unknown world in the wild.
Hope this helps chu
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Answer: To provide reasons why he decided to speed up the nation's efforts to be first in space.
Explanation: Here~! <3
When talking about recycling, people don't seem to consider the recycling of clothing.
The comma should be placed between the first use of recycling and people. The subordinate clause is "when talking about recycling". This is a clause because of the word "when". When makes the reader wonder when what? The main clause is "people don't seem to consider the recycling of clothing."
