This little girl is hearing-impaired, and uses earpieces to listen to her teacher.
Photograph by William Albert Allard, National Geograhic
ability to use.
to provide or satisfy.
inability to see.
group of organisms or a social group interacting in a specific region under similar environmental conditions.
unable to hear.
nations with low per-capita income, little infrastructure, and a small middle class.
physical or psychological handicap.
job or work.
a building or room that serves a specific function.
to employ, or put to work for money or other goods.
to weaken or diminish in value.
to make something more valuable.
process or state of being part of a whole.
structures and facilities necessary for the functioning of a society, such as roads.
having to do with knowledge, or a knowledgeable person.
having to do with the mind or brain.
something that slows or stops progress.
having to do with the body.
to identify or acknowledge.
human construction, growth, and consumption that can be maintained with minimal damage to the natural environment.
the science of using tools and complex machines to make human life easier or more profitable.
international organization that works for peace, security and cooperation.