What does trouble is more of their own making mean?

Read the excerpt from heart of a samurai. the water was so clear, he could see straight to the bottom. a snail was making a path like a shiny ribbon slowly unfurling on the sand. what does the author use the most precise words to describe in the excerpt? the water’s movement the water the snail the snail’s path

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

Mangrove have two types of specialized root systems t f