Criado por Carolina Chamorro
quase 4 anos atrás
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Bison
horse
bear
deer
fish
wolf
seal
polar bear
caribou
snowy owl
walrus
whale
artic fox
garbage dump
air pollution
muck
rainwater
toxic chemicals
smoke
endangered species
recycling bin
present = produce
past= produced
present = waste
past = wasted
present = dump
past = dumped
present = pollute
past = polluted
present = save
past = saved
present = change
past = changed
Present = Conserve
Past = Conserved
present = decide
past = decided
wooden house
railroad
factory
bridge
steel mill
research center
visitor's center
canoe
subway