Question

those who caution against national databases see ______ as one of the dangers.

the solving of cold cases

the use of the personal information in a way that would discriminate against confidential information such as potential genetic diseases

the gigantic size of the database.

the irrefutable evidence of a persons unique dna

Explanation:

Those cautious about national databases worry about misuse of personal info. Using personal information, like potential genetic disease - related data, in a discriminatory way is a major concern. Solving cold - cases is often seen as a positive, the size of the database isn't the main danger, and unique DNA evidence isn't typically considered a negative aspect in the context of database concerns.

Answer:

the use of the personal information in a way that would discriminate against confidential information such as potential genetic diseases