Which of the following most significantly determines a communities' access to potable water? a. access to clean raw water sources b. the availability of money c. local drought conditions d. the level of industrial development

What most significantly determines whether a community has access to portable water is the question of whether they have access to clean raw water sources - a.

Esentially to get and be able to have a supply of portable water, one also needs a source for this water which should in best cases also be clean.