1) When a forest is extremely dry during the summer, a __________ can easily start and spread quickly. a) soot b) wildfire 2) We need a more __________ source of information before making the final decision. a) reliable b) crop 3) Fossil fuels will eventually __________ if we continue to use them at the current rate. a) run out b) leaves 4) Many countries have decided to __________ single-use plastic bags to reduce pollution. a) ban b) leaflet 5) Coal and wood are examples of __________ used for heating and cooking. a) branch b) solid fuel 6) Farmers today prefer __________ vegetables because they are safer and healthier. a) organic b) stove 7) Signs were put up around the forest to __________ people about the risk of falling rocks. a) warn b) swimming pool 8) Trees absorb water and nutrients through their __________. a) root b) soot 9) The little boy tried to __________ behind the door so that no one could see him. a) hide b) wildfire 10) /rɪˈnjuː.ə.bəl/ a) reusable b) renewable

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