Which sentence is in passive voice? The clouds floated in a gorgeous blue sky.

The snow covered everything in our backyard.

Lucy went to the library to study.

The ship was overturned by powerful waves.

Barry chopped vegetables for dinner.

In concrete mixers what seems to be the speakers feeling about the concrete mixers

How does thoreau defend his approach in the second paragraph of "economy" inwalden? -he uses the word "t" because he feels it sounds more interesting-he does not use first-person point of view because his is a fictional account-he uses first-person point of view to get his readers' attention-he uses the word "t" for the sake of sincerity and honesty.

Need some on this. which answer is it?