The Education for All Handicapped Children Act (P.L. 94-142) of 1975 and the Individuals with Disabilities Education Act (IDEA) (P. L. 101-476) identified specific categories of disabilities under which children may be eligible for special education and related services. The most recent legislation, the IDEA Amendments of 1997 (P.L. 105-17), allows states and local education agencies to apply the term developmental delay for children ages 3-9.
Upcycling, also known as creative reuse, is the process of transforming by-products, waste materials, useless, or unwanted products into new materials or products of better quality or for better environmental value.
1 Respiration is defined as the catabolic biochemical process during which organic compounds break down in order to release energy.  The organic compounds that are broken down are called the substrates. Glucose is the most common substrate.