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. (as a consequence)
5. In the last ten years, many BC valleys have been clearcut. 142 species of salmon have become extinct. (so)
6. The fish and other aquatic animals have died. The water is polluted. (due to)