Can you identify the adverb in the following sentence?

Question

Can you identify the adverb in the following sentence?'the dog seemed friendly and wagged its tail happily.'this question is part of parts of speech

John Adney · Accepted Answer

we know that adverb describes more about the noun verb but friendly also ends with ly so why isnt that adverb anymore any reasons behind it

Can you identify the adverb in the following sentence?
"The dog seemed friendly and wagged its tail happily."