G20-End of Unit 2 test

some people climbing a 5100-metre peak in the Andes together

• mountaineering

• trekking

• sustainable

• erosion

• bigradable

someone not having enough money for both food and heating

• emitter

• poverty

waste material and water from people’s toilets, showers and sinks

• sewage

• poverty

a seven-day walk through a rainforest with a guide who knows the area well

• community

• trekking

using electricity generated from wind and sun to power homes and businesses

• remote

• sustainable

soil on land that has been deforested being washed away by heavy rain

• erosion

• biodegradable

a farm which is over 100 km from the nearest village, town or city

• remote

• emitter

packaging material that can be broken down by bacteria into harmless substances

• biodegradable

• refuse

a factory that produces a lot of pollution and environmentally harmful gases like carbon dioxide

• emitter

• refuse

a closely connected group of people living in one part of a city

• community

• trekking