Miners used canaries in mines to
a. detect wild animals.
b. detect dangerous gases.
c. look for paths through the earth.
d. lead the way through tunnels.

community or area create social relationships that typically differ greatly from the affiliations ultimate effects of travel experiences on the population in areas of origin, as well as in places of wage of only a dollar or two. motorcoach operators, museums, and restaurants fall into the broad category of public

explanation:

the answer is blue river