17. Those products are not ______________ (RECYCLE), so don’t put them in the recycling bin.
18. Vung Tau City welcomes thousands of ___________ (TOURISM) every holiday season.
19. People are using more and more environmentally-friendly (ENVIRONMENT) products.
20. Fish and plants cannot grow well in this area because factories release toxic ______________ (POLLUTION) into the air and water.
mk camon ạ