Practicing The High Frequency Words Brain Teaser

I am a cold-blooded animal with backbones and moist skin What am I?
An amphibian
I feel confused because something is hard to understand or solve.
Stumped
I am an animal shaped like lizards but related to frogs and toads.
Salamander
I am a source used for information
Reference
I am a reptile with long body and tail and movable eyelids.
Lizard
I am the activity of a criminal
Crime
End Of Game
Time
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