Which of the following is the most common method for cataloguing books in elementary and high school libraries?

1.) the library of congress system
2.) the dewey decimal system
3.) call numbers

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?