Abird conservation society has a database of every bird spotted by members
in the past year. to make this data part of a gis would require tying each
sighting to:
o
a. a location on a digital map.
o
b. membership numbers.
o
c. species scientific names.
o
d. the name of the person who made the sighting.

A. a location on a digital map.

Explanation:

A GIS consists of the more interactive maps those criteria are defined in the digital maps and they help the users this identify the each and every aspects of the birds can be done through the GIS software and it needs a set of criteria that matches to the place that was marked by the map makers.

Exposed great deposits of coal and iron ore