Question

they are ours.Now nobody knows this. ( noun clause )

Answer 1

● Now nobody knows that they are ours.

● Here "that" is a noun clause.

Answer 2

$\huge\red{AnsWeR}$

Now nobody knows that they are ours.

That is noun used

$<marquee>$

$\huge\blue{Hope\:It\:Helps!!}$