LAYER - Hole in the ozone ____ above Antarctica suddenly expands. , WARMING - Arctic sea ice could soon disappear as global _______ increases speed of melting., FUELS - Time running out for oil and other fossil _________., SMOG - Thick __ hanging over city causes breathing problems. , SPILL - Oil spill kills hundreds of sea birds after tanker capsizes. , GASES - Greenhouse __________ continuing to cause earth's temperature to rise., CONSERVATION - ______ projects successfully stop decline in panda numbers.,

Tabla de clasificación

Estilo visual

Opciones

Cambiar plantilla

¿Restaurar actividad almacenada automáticamente: ?