Faulty Modifiers

Which is a modifier in this sentence?

The water in the river is home to several types of fish.

Which is a modifier in this sentence?

Late as usual, the boy tiptoed up the stairs of his house.

Which word or phrase does the underlined word refer to?

The buffalo ambled toward us slowly.

Which word or phrase does slowly refer to?

Which word or phrase does the underlined word describe?

The peaceful chirping of the birds made me smile.

What's the problem with the modifiers in this sentence?

Scrubbing the tile grout with bleach and an old toothbrush, the mildew stains began to fade.

Which of the following has a dangling modifier?

Which of the following has a dangling modifier?

Which of the following has a dangling modifier?

Correct or incorrect?

Though not a fan of scary movies, A Quiet Place is actually quite good.

Correct or incorrect?

Lying on the beach, thoughts of sun cancer entered my mind as I tried to relax.

Correct or incorrect?

The surly customer demanded the waiter, a new employee, immediately get the manager.

Correct or incorrect?

Being very shy, strangers easily frighten my little sister, Maggie.

Correct or incorrect?

They trudged along the bank of the river, hungry and exhausted.