116. Choose the correct word.
1 Global heating/warming refers to the rising
temperature of our planet.
2 Healthy ecosystems support a diversity/
divergence of species.
3 The future of electricity lies in renewed/
alternative forms of energy.
4 We saved a lot of money when we switched
our electricity supply to sun/solar power.
5 Forest conservation will help to preserve the
natural habitats/homes of local wildlife.
6 Climate change/difference is caused by the
build up of greenhouse gases/ emission in
the Earth's atmosphere.