a.)Whatever you do
d.)what to major in at college.
<span>Noun clauses begin with words such as how, that, and the "w" words like what, whatever, when, where, whether, which, whichever, who, whoever, whom, whomever, and why. </span>
And a noun clause is a dependent clause that acts as a noun. It can't stand on its own. It's connected to an independent clause.