Answer:
plastics
Explanation:
the use the same chemicals for making
has
Has is used alongside the PRONOUNS <em>H</em><em>E</em> / <em>S</em><em>H</em><em>E</em> / <em>I</em><em>T</em> and <em>W</em><em>H</em><em>O</em> and SINGULAR NOUNS.