Underline the nominal clauses in the sentences below.
- People today know they can follow fashion without spending much money.
- People are not always aware that fast fashion affects the environment.
- People may not be conscious of the fact that polyester is made from petroleum.
- What may result from this is the release of harmful gases.
- How cotton is grown varies, but pesticides may be used.
- People should carefully consider whether they need new clothes or not.