What is the adverb in these sentences? I got the answer, but can you check?

In the past, scientists did not have much information about certain animals.
Adverbs: Past, much
With modern technology that has already changed.
Adverbs: modern, already
A cat will angrily claw.
Adverbs: angrily
Von was too tired to eat.
Adverbs: too
A Texas woman amazingly survived an adventure of a lifetime.
Adverbs: amazingly

3 answers

In the past, scientists did not have much information about certain animals.
Adverbs: Past, much
"Past" is a noun in this sentence; "much" is an adjective in this sentence.

With modern technology that has already changed.
Adverbs: modern, already
"modern" is an adj; "already" is an adv.

A cat will angrily claw.
Adverbs: angrily
Correct

Von was too tired to eat.
Adverbs: too
Correct

A Texas woman amazingly survived an adventure of a lifetime.
Adverbs: amazingly
Correct
Oh. So on the first sentence, would the adverb be certain?
"certain" is an adjective.