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Exercise 9: Combine the sentences in each pair into a new sentence that shows
a cause/ effect relationship. Use cause and effect signal word or phrase given
in brackets.
1. One effect of global warming is that sea levels are rising. The polar icecaps are
melting. (because)
2. The global population has increased. There are much better levels of nutrition.
(because of)
3. Nuclear explosions and detonations of nuclear weapons cause radioactive
pollution. (lead to)
4. More and more roads are being built. Air pollution is rising. (so)
5. The fish and other aquatic animals have died. The water is polluted. (due to)