1) Billions of ...... of pollution are released into the atmosphere every year. a) carbon dioxide b) tonnes c) fossil fuels d) hectares 2) The .... from cars and motorbikes are a major cause of air pollution. a) emissions b) fossil fuels c) hectares d) tonnes 3) We must reduce ______ in the atmosphere to save our planet. a) fossil fuels b) emissions c) hectares d) carbon dioxide 4) Greenhouse gases are a major cause of ....... a) fossil fuels b) approximately c) global warming d) emissions 5) There were ...... 36.4 billion tonnes of CO2 released in 2019. a) global warming b) carbon dioxide c) approximately d) hectares 6) Thousands of ...... of rainforest are cut down every day. a) carbon dioxide b) emissions c) hectares d) deforestation 7) We must stop using ..... like coal and oil. a) fossil fuels b) carbon dioxide c) deforestation d) global warming

GLOBAL WARMING

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