Use of English · Part 2
The world's oceans are facing an unprecedented crisis (0) DUE to the vast amounts of pollution that enter the water every year. Plastic waste, (1) .......... particular, has become one of the most serious threats to marine ecosystems worldwide. It is estimated that approximately eight million tonnes of plastic end…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.