1) natural world a) protect b) waste c) environment d) Marine 2) things that are not useful anymore a) protect b) Marine c) reduce d) waste 3) keep safe a) marine b) protect c) waste d) environment 4) related to sea a) waste b) protect c) environment d) Marine 5) take something in a) absorb b) marine c) waste d) environment 6) make something smaller a) protect b) waste c) absorb d) reduce 7) the large mass of salt water that covers most of the earth’s surface a) ocean b) sea c) lake d) river 8) an artificial substance that can be shaped when soft into many different forms and has many different uses a) wood b) paper c) plastic

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