Question

A letter without______is invalid​

Answer 1

Answer:

signature

Explanation:

because a letter without signature is invalid as in letter signature is very important

Answer 2

$\huge\pink{\underline{\overline{\mathbb{☆Hello☆}}}}$

⠀

$\huge\pink{QUESTION :}$

A letter without______is invalid

$\huge\pink{Answer :}$

.A letter without Signature is invalid.

$\huge\boxed{{\sf\pink{Hope \: it \: Helps \: Buddy \: }}}$