Question

Scientists have recently reported that the polar ice caps are melting. This is due to a rise in (a) _____ temperatures known as the ‘Greenhouse Effect’. Carbondioxide is (b) _____responsible for temperature rise in atmosphere. The carbondioxide is (c)_____off when coal and oil are burnt. This gas is (d) _____ in the air and the ice caps in the lead to a rise in the sea levels North and South poles are melting. This may (e) _____ which could (f) _____many areas of the globe. The Greenhouse Effect’ is just one of the many (g) _____changes which are taking place in the environment. Tropical rain forests, which took fifty million years (h) _____are being (i) _____at the rate of fourteen acres per minute. The total area of the world’s deserts is increasing every year. Many species of animals and plants are (j) _____with the threat of extinction.
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Answer 1

Answer:

here carbon dioxide is answer of all the questions.