Even though the idea of recycling materials and using them in other ways seems like a good idea, why is the idea of using recycled tires at playgrounds a concern for some scientists?

The idea of recycling materials is a good idea but there are concerns to some recycled ideas. Specifically the recycled tires used in playgrounds. There are toxic substances that are in tire dust are also in tire mulch. There is some concern that people ingest these substances through their skin and when they breathe. This can cause health problems.

Explanation: I got a 100%

their visual appeal is a sure hook into their content. but big books are also produced for pedagogical reasons, and using them in the classroom makes good teaching sense. an abundance of good children's literature in their lives is vitally important for young children as they strive toward independent reading.