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A restaurant uses an average of 500 pairs of disposable chopsticks per day. So:
(1) How many pairs of disposable chopsticks are used in a year (calculated as 365 days)?
(2) How many trees are approximately consumed to produce the disposable chopsticks used in a year?
(3) How much less carbon dioxide, in kilograms, will be absorbed per day as a result? How much less oxygen, in kilograms, will be produced?