Simile, Metaphor, Alliteration

Playful penguins parade proudly on the polar plains. Which figurative language is it?

As I walked through the winter cold, my hands were ice cubes.

The cold air was like sharp fingernails scraping my skin.

Shimmering stars sparkled in the silent, snowy sky. Which figurative language is it?

The snowflakes were like cotton balls falling from the sky.

Whispers of winter wind weave through the wintry woods. Which figurative language is it?

The winter night is a dark canvas sprinkled with frosty stars.

The snow was like frosting on the roof of the small cottage. It was glistening in the light.

The snowball was as cannonball as it flew out of my hand.