Environmental Control Units (ECUs) ______________________________________

Environmental control units (ECUs) ______________________________________.

A) allow a person with a disability to navigate unfamiliar environments
B) allow a person who has limited mobility to perform many everyday functions in the home, at work, or school
C) are physical locations within rehabilitation hospitals in which the environment is carefully controlled for treatment purposes
D) are air-conditioning and heating units that also include air purification systems for individuals with compromised respiratory function