You might encounter the writing system of braille wherever there are signs or maps.
braille is a form of writing that enables blind people to read and write using bumps on paper that represent letters.
louis braille, who invented a way for blind people to read and write, taught his system to classmates.

Read the passage from an argumentative essay. many endangered species are currently threatened by climate change. there are some laws already in place, but are they effective enough? anyone with a conscience knows that these creatures deserve the chance to survive without outside threats impeding their survival. i suppose this is a tough decision for lawmakers, but i hope they choose wisely. which statement best evaluates the claim in the passage?