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学生说明
Tap 
to begin this activity.
Use 
to sort the items into trash or recycling.
Use 
to tell ways you can help care for the earth.
Tap 
when you're done!
教师备注（学生不可见）
Adapted from Camp Khan Kids: Animals & Nature Week Find more here: https://khankids.zendesk.com/hc/en-us/articles/360046300811-Camp-Khan-Kids-Animals-Nature-Week
