What is the purpose of the least restrictive environment provision of IDEA?

What is the purpose of the least restrictive environment provision of IDEA?
 
  a. To ensure that students with similar disabilities are educated together.
  b. To ensure that children with disabilities are educated with nondisabled children whenever possible.
  c. To ensure that every disabled student is educated at least part-time in regular classrooms.
  d. To ensure that disabled students receive instruction from a variety of teachers.

Ques. 2

Low inference descriptors refers to the use of which of the following in a qualitative report
 
  a. visual images. c. verbatim quotes.
  b. descriptive language. d. concept maps.