Need with english! 25 points!

1.) what is the function of the relative pronoun in the clause?

the dedication of howard carter, without whom the treasures of king tut's tomb would not have been discovered, should be admired.

a.
possessive

b.
subject

c.
direct object

d.
object of a preposition

2.) how is the entire noun clause used in the sentence?

what the tomb revealed about the king was remarkable.

a.
direct object

b.
object of a preposition

c.
predicate nominative

d.
subject

3.) how is the entire noun clause used in the sentence?

he believed that the missing tomb might lie under a pile of rubble.

a.
object of a preposition

b.
direct object

c.
subject

d.
predicate nominative

4.) how is the entire noun clause used in the sentence?

the plan was that a visit to the tide pool would be during low tide.

a.
predicate nominative

b.
subject

c.
direct object

d.
object of a preposition

5.) how is the entire noun clause used in the sentence?

many people had been searching for whatever was behind the sealed door.

a.
object of a preposition

b.
subject

c.
direct object

d.
predicate nominative