q('trash#Here are three synonyms for the things that people don\'t need any more and throw away: garbage, litter, rubbish, ..... . Write a fourth synonym.'); q('incinerated#To dispose of trash, it can be ..... (burned) or buried (put under the ground).'); q('buried#To dispose of trash, it can be incinerated (burned) or ..... (put under the ground).'); q('dump#The place where trash is put under the ground is called a ..... .'); q('recycled#Some trash can be ..... . This means that it can be sorted and parts of it used again to make new products.'); q('packaging#The paper and plastic in which many products are sold is called ..... .'); q('styrofoam#Some packaging, like the white ..... used to protect TVs, computers, etc., cannot be recycled and does not break down even after hundreds of years.'); q('toxic#..... is a synonym for poisonous; e.g. toxic chemicals, toxic gas.'); q('harmful#Toxic chemicals can be very ..... (opposite of harmless) to sea life if they get into oceans.'); q('pesticides#Toxic chemicals are sometimes found in ..... (sprayed on fruit and vegetables to kill insects) or fertilizers (put into the ground to make plants grow more quickly).'); q('fertilizers#Toxic chemicals are sometimes found in pesticides (sprayed on fruit and vegetables to kill insects) or ..... (put into the ground to make plants grow more quickly).'); q('ozone hole#The ..... is the gap in the earth\'s protective atmosphere which allows dangerous radiation from the sun to penetrate to the earth\'s surface, causing skin cancer in humans and animals.'); q('smog#The word given to the dangerous combination of smoke and fog is ..... .'); q('acid rain#Poisonous chemicals in the air often return to the earth as ..... .'); q('ozone layer#The ..... has developed holes due to the gases released by spray cans, refrigerators and fire extinguishers.'); q('oil#Coal and ..... are 2 important sources of energy that are non-renewable. This means that at some time in the future they will disappear from the earth for ever.'); q('coal#Oil and ..... are 2 important sources of energy that are non-renewable. This means that at some time in the future they will disappear from the earth for ever.'); q('non-renewable#Coal and oil are 2 important sources of energy that are ..... . This means that at some time in the future they will disappear from the earth for ever.'); q('nuclear#..... energy is made by splitting the atom. A very serious accident happened at the power station at Chernobyl in 1986.'); q('extinct#The dinosaur is a large animal that lived millions but is now ..... .'); q('habitat#A ..... is the living area of an animal, e.g. the desert, the deep ocean.');