Read the passage and answer the question. Plastic waste is a serious problem around the world. Every year, millions of tons of plastic end up in the ocean. Sea turtles often mistake plastic bags for jellyfish and eat them, which can kill them. To help, many people now bring their own bags and bottles. Some schools in Thailand have started "zero-waste" projects where students sort their rubbish for recycling. What do students do in "zero-waste" projects?
กsort rubbish for recycling
ขcollect plastic bags to sell
คclean the ocean every day
งmake plastic toys
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