Community redevelopment programs are primarily directed towards . a. preventing pollution in commercial and residential properties b. improving property values by eliminating blighted buildings c. establishing basic sanitation in urban environments and communities d. cleaning up abandoned, unused, and polluted properties

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

dna is a set of a gene held together by a chemical bond

density and pressure