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."
Google is a search engine that finds information that is related to the specific topic of what you are searching.
Subject directory is a classified web pages in an organized set of categories.
If you mean they should actually be a part of it with them in it, no. but if you mean interacting with them like questions, then yes! hope i could help =)
Answer:
D,nonperishable because sul