1.Дополните предложения словами в скобках. 1. Rising temperature level is a … … problem that concerns everyone. (globe)
2. Double-hulled tankers have made oil … … much safer. (transport)
3.She is an … … engineer. (environment)
4. There was a big … … at the refinery last week. (explode)
5. An oil … … has contaminated the water supply. (seep)
6. The equipment is … … by a safety valve. (protect)