population, A large ... can create more traffic and pollution., get stuck in a traffic jam, I try to leave home early because I often ... during the morning rush hour., oxygen, Plants produce ..., which people and animals need in order to breathe., carbon dioxide, Cars and buses release ... into the air when they burn fuel., picked up the rubbish, After the picnic, we ... and put it into a recycling bin., ozone layer, The ... protects life on Earth from some of the sun’s harmful rays., deforestation, ... can make climate change worse because fewer trees are left to absorb carbon dioxide., renewable natural resources, Wind and sunlight are ... because nature replaces them continuously., non-renewable natural resources, Oil and coal are ..., so one day we may use them all up., hurricane, Many houses near the coast were damaged when the ... passed through the area., drought, The lake became much smaller during the ..., and some fish could no longer survive there., had been blown off, When the family returned after the hurricane, they saw that the roof ... and rain had damaged the furniture., flood, Heavy rain caused a ... in the town, and several families had to leave their homes.

B1 environment

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