ommisions

ommisions (15) The ozone layer, which protects us the us the sun's ultraviolet rays, progressively deteriorating. In February, 1992 scientific report said people in Canada, Europe and Russia were serious danger. In Australia, there now. three times more cases of skin cancer in the past. In New Zealand, teachers tell students wear hats and not sit in sun. (a) (b) (c) (d) (e

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